It takes 2-4 years for transplants to flower. Surprisingly, Lenten rose can grow in the shade of a walnut tree, and tolerates the juglone produced by black walnuts and their relatives. Split large clumps of hellebores to create new plants in early spring, just after flowering. There are quite a few different species of this plant such as the Christmas rose (Helleborus niger) and Lenten roses (H. Hellebores are easy to grow and are a wonderful winter-flowering perennial. Hellebores grow best in well-draining soil that is rich in organic matter. Seedlings may not end up true to parent, and may need to be thinned out. Using a large fork, dig around the perimeter and then lift the entire specimen from the soil as one large root ball, try to keep as much of the root system as intact as possible. Cut back the large leathery leaves when flowers and new foliage emerge and mulch plants annually with well-rotted compost or manure. Cover the seeds with a thin layer of perlite or horticultural grit and water gently from above being careful not to disperse the seed. Decide where to plant. Helleborus × hybridus is a group of evergreen, late-winter or early-spring flowering perennials in the buttercup family (Ranunculaceae) with the common names of hellebore, oriental hellebores, or Lenten rose (the. This is when the soil is warm enough for the plants to start growing. These plants flower in late winter or early spring and are hardy in Zones 4 to 9. But again: there’s really no reason to propagate, unless perhaps because you get a white-flowered one and want more of it. Black Death. By letting them self-seed at random, you’ll produce a hodge-podge of various colours and flower. How to propagate hellebores. Alternately, allow the hellebores in your garden to self-seed. 5 feet wide. This allows the flowers to dry out and eject the seeds into the bottom of the paper bag. They do best in fertile, well-drained soil, but can also be raised in pots in a loam-based compost. Here are some top tips to help you get started: Plant your hellebores in rich and moist but well-drained soil, conditioned with well-rotted garden compost. Using snips, scissors, or pruners, trim the seed pods off the flower head. These plants are drought tolerant once established, but mulching is often needed during the winter. Gardening Unplugged is our in-house series of informal garden chats that are always free to attend during any of our Open Nursery and. 2. Hellebores are best divided in early spring or autumn. In order to develop new plants for nothing, gather ripe seed and sow it into modules. The two-part common name of Lenten rose refers to the plant's bloom season, which is around the Christian season of Lent that falls in late. Hellebore varieties begin the bloom time in late December and continue through January and February, usually between Christmas and the season of Lent, therefore the name. Once you have your gloves, dig up the entire mature hellebore plant with a sharp shovel. Soil improvement is as simple as mixing Yates Dynamic Lifter Soil Improver & Plant Fertiliser into the soil dug from the planting hole. Similarly, forcing a young plant into flowering too soon can result in an interruption in blooming. Cultivars to grow include 'Garden Yellow' and the Ashwood Garden Hybrids. They are also happy in sun where soil is moist. This is to shift the energy of the plant to encourage new growth. Hellebore seeds need a 60-day moist chilling period in order to sprout. Using Hellebore for Wedding Bouquets. Growing Tips. niger may benefit from a side-dressing of Epsom salts or dolomitic lime. Helleborus argutifolius (Corsican Hellebore) A robust native of Corsica and Sardinia, Helleborus argutifolius (Corsican Hellebore) is an evergreen perennial with large open clusters of up to thirty large, nodding, pale green flowers with a central boss of equally. The seeds grow in seed pods that appear once the blossoms are spent, usually in late spring or early summer. Once the pods are quite full looking and appear about ready to split open then flowers can be cut off. As an outdoor plant, it is hardy to Zone 8b (as cold as 15 degrees Fahrenheit or –9 degrees Celsius). Hellebores are evergreen perennial flowering plants from the RANUNCULACEAE family. The easiest way to get more plants is to move the seedlings that will begin to appear around the base of established plants. The seedlings can be transplanted into your garden in the fall. Position your potted hellebores to get as much sun as possible during the winter and spring months. Hellebores: How to plant, care for and and sow hellebore - Gardens Illustrated. Hellebores do spread and self-seed, however seeds are not identical to the parent. So good is the Helleborus genus that the Award of Garden Merit (AGM) by the Royal Horticultural Society has been awarded to Helleborus foetidus, Helleborus niger and the series of Ashwood Garden hybrids. Its early spring blossoms provide a burst of color to the garden before other plants have woken up. Deer-resistant and mostly evergreen, hellebores'. It was later administered by the royal cupbearer in a dreadful betrayal of his position. 6 m) tall and wide. Hellebores have a long flowering period, and while most are deciduous, evergreen varieties tend to grow best in Australia as their leaves help to shade the roots in summer, and reduce the need for watering. The best advice for anyone who is intending to grow Hellebores from seed is to get them into the ground as soon as possible after they are ripe, which is usually some time between late spring and early summer. 2. For instance, the 'Bear's Foot' hellebore (Helleborus foetidus) can reach heights of up to 24 inches, while the 'Ivory Prince' lenten rose (Helleborus x hybridus 'Walhelivor') generally. Tissue culture. Hellebores prefer neutral pH soil with good drainage and partial or dappled shade. They prefer partial shade to full shade, although some varieties can tolerate. The spots continue to grow larger as the disease progresses, retaining an elliptical or circular shape and turning a dark brown or. In its ideal growing zones (four. With their prolific winter and spring blooms, hellebores are a must have in any. It's actually really fool-proof to propagate hellebores this w. Hellebore’s cold hardiness ranges from zone 3 to zone 9 on the USDA plant hardiness scale. How To Propagate Hellebores. They are easy to grow and require GardeningA2Z. Plants that like wet. 6 Share this: Broad beans. Appropriate to the name t. Lenten Rose. These blooms are waxy, somewhat succulent. The basic rules of hellebore care are; Provide shade (deep is best, but dappled is ok) Water lightly, not deeply. Hellebores are self-sowing plants that drop their seed after flowering. Keep the soil moist, but not soggy, all the time. With this in mind, you can plant them practically anywhere in the garden. You should be highly alarmed if you see black blotches and streaks on the surface of the leaves or flower bracts of. ”. 1. They are notable for their large, bowl-shaped flowers, which come in a range of colors including white, green, pink, purple, and even near-black. Propagation. Hellebores are members of the Eurasian genus Helleborus – about 20 species of evergreen perennial flowering plants in the family Ranunculaceae. Hellebores come in many different species and kinds, such as the Christmas rose (Helleborus niger), the Lenten rose (H. The Helleborus x hybridus ‘Red Lady’ is among the most popular varieties of hellebore. In my opinion, Pine Knot Farms, is a 1st class Nursery, and rates an A+ for the quality & size of their "deep 36 cell-starts" for the Hellebores "Piccadilly Strain", that were ordered through the co-op. How to grow hellebores in a garden. Hellebore can be grown from seed, but the new plants may have different flowers to the ones you propagate from. In ideal conditions, hellebores will be resting within well-drained soil that has a reasonable amount of sunlight and shade. Hellebore (Hellebore hybridus) also known as Winter Rose is an evergreen herbaceous perennial. shade garden, border. Hellebores, sometimes commonly called hybrid Lenten roses or hybrid winter roses, typically grow to 12-15” tall. Provide partial to complete shade; Plant hellebores on soil that drains well. Sprinkle the seeds, cover them lightly with sand or fine gravel, and water lightly. 1. We call winter-blooming hellebores Christmas Roses, and those blooming in early spring Lenten Roses. 2 How to grow hellebores. Fortunately, so can some of the hellebore’s favorite planting companions such as heuchera, ferns, and creeping phlox, among others! Forest Floor Buddies. wide (5 cm). Let the green growth of your plant remain for 6 weeks. Avoid transplanting hellebores after they have established. Open the plastic now and then to make sure the moss is still moist. If you’re planting helleborus argutifolius, plant them 2 to 4 feet (0. The two-part common name of Lenten rose refers to the plant's bloom season, which is around the Christian season of Lent that falls in late. Coming out at the bleakest time of the year, hellebores bloom for at least three months. Follow the recipe quantities. Hellebores can be planted at any time between March and August so they have time to grow roots and bloom in the late winter. Because hellebores struggle when moved, it's best not to divide them. Most hellebores are compact, 30–45cm (12–18in) tall, but bolder types, such as Helleborus argutifolius and H. Place the astilbe plants into the soil, keeping the crown at the same level as the top of the soil. 18 Aug 2023. Hellebore is a self-sowing plant that usually drops its seeds after the flowering period. The maturation process of some plant species is so lengthy that two growing periods may pass before the plant finally flowers. How to propagate hellebores. Most hellebores are compact, 30–45cm (12–18in) tall, but bolder types, such as Helleborus argutifolius and H. Because having all of this water in here creates pressure that then pushes the water up through the stems! So that's one of the first things about hellebore hydration. First, attach the inside to the side. The blooms la st for weeks. The stinking hellebores are best propagated with seed while oriental hybrids are usually divided to ensure new plants are true to the parent. From Seed. Remove the plant from its pot. They prefer shade and they have beautiful foliage all season long. 'Sandy Shores' Hellebore (Helleborus 'Sandy Shores') 4. Another way to propagate your hellebore is a seedling transplant. Helleborus argutifolius – Corsican Hellebore. The best time to propagate Hellebores is in the spring, after they have finished blooming. Helleborus foetidus. If the ground is dry, water around the plant to soften and moisten the soil. Despite their beauty, there is a shadow that hovers over the Hellebore. Q. loosen the surrounding soil with a spade adequately. Hellebore ( Helleborus ), the late winter charmer, is a perennial with nodding flowers. How to Propagate Hellebore Plant. And if you’re new to growing hellebores, see our full growing guide. You can also feel a flower head gently with your hand and, if seed falls readily, you’ll know that it’s time for collection. Most come from countries on the northern rim of the Mediterranean, especially in the Balkan Peninsula and. Hellebore seeds need a 60-day moist chilling period in order to sprout. This would be a really nice container choice with brighter colored annuals. ” Plant growth regulators cause stress and result in smaller, fewer flowers. Immediately plant each fresh segment, and as they grow, give them consistent moisture. . Q. The attractive plants are fairly easy to grow in the. When planting Helleborus niger, the following tips have proved their worth: the plant hole should be twice as deep as the root ball of the Christmas rose. Avoid transplanting hellebores after they have established. Temperature: Hellebores do well with night-time temperature of 40°F to 45°F and 60°F to 65°F during the day. Use Blood & Bone for extra oomph. Characteristics: Low maintenance, deer. I have mixed feelings on removing leaves from Hellebores. Spread: 1ft. Hellebore propagation. Browning hellebore plants can usually be explained by the semi-evergreen nature in certain climates. If you are planting your hellebores directly from a nursery container, make sure that you shake off the potting mix to free up any bound roots. Hellebore sources. 2. Start by cutting the materials. Water the plant lightly to moisten the soil. Step 1: Check if your hellebore is root bound, which prevents it from pushing out new leaves and blooms. Hellebore seed pods ready. This will give it an equal chance to have time to germinate and become ready for the winter. If you have to move a hellebore plant, try to do so in the fall months, before the really cold weather arrives. How to propagate hellebores. A few won’t do much harm, but large numbers should be wiped or washed off. Hellebores do well as companion plantings with hostas, astilbe, native perennial ferns, bleeding heart, and coral bells in a location that receives a few hours of dappled sunlight. Learning more about Christmas rose flowering time and growing conditions can help landscapers better determine if this plant is a good fit for flower beds and borders. In the beginning the cutting of the old leathery fronds was a ritual of late January, something anticipated with delightful enthusiasm. Too much nitrogen may result in lush foliage and a shortage of blooms. Hellebores, also known as Christmas Roses, are a beautiful and unique flower that can add a touch of elegance to any garden. Most hellebores will grow well in dappled, dry shade and well-drained soils. This type of hellebore is a mega-bloomer, with up to 100 flowers on each plant, which reach up to 14 inches tall. And as long-blooming, low-maintenance, basically evergreen perennials that tolerate even dry shade and can flower. They drop a copious amount of seeds that will quickly germinate and grow new plants. The main way to propagate Hellebores was by seed. How to Propagate Oakleaf Hydrangea. com There are three ways to propagate hellebores: From Seed; By Division; Micropropagation; Let’s look at all three. Collecting and sowing fresh hellebore seeds is an economical way to propagate the species in the home landscape. Pair them with early blooming spring bulbs like snowdrops, crocus, daffodils and shrubs like flowering quince. A perfect addition to shady beds and borders. gardeners world hellebores helleborus 'penny's pink' hellebores and hand pollination. Hellebores come in a gorgeous array of colors in array of shades including pink, mauve, an almost-black burgundy, green, buttery yellow and creamy whites. Mulch annually with well-rotted compost or manure, and cut back the old leaves as flowers and new foliage appear. In the Midwest, hellebores can be planted either in spring or fall; if you plant in fall, make sure to allow enough time for the roots to grow (about a month) before the ground freezes. 5 Coldframes and mini-greenhouses – Gardeners’ World 2021 episode 30. Something else is probably going on. The plugs are more affordable as a whole - each plug costs a fraction of what the adult plant would cost - but of course they won’t flower for quite some time and you won’t be able to recoup your expenses quickly. The most commonly grown are Lenten rose and Christmas rose. Hellebores are a unique flower that blooms in winter and spring and remains evergreen year-round. Label clearly and place the pot or tray outdoors in a sheltered spot out of direct. How to Propagate Hellebores? There are two methods for propagating Hellebores; by division and by seeds. The Germans call hellebores Schneerose which means "snow rose", often more appropriate than the common English name of Christmas Rose. They are favoured for their delicate, hanging heads, and, with the right conditions, will spread themselves. The depth of the pot is particularly important as the roots mostly grow down. A hellebore arrangement in a spring container is quite striking. , USDA Hardiness Zones 6–9). Collect the black seeds from the pods as soon as they have gone hard. Once planted, the seeds should germinate in 1. To date, there is one, H. Hellebores, also commonly called lenten rose, are super easy to grow and extremely long-lived. Collect the black seeds from the pods as soon as they have gone hard. 1. You can choose to either purchase hellebore plugs and grow them out, or successively plant more adult hellebores over the years. You’ll find them under the name Helleborus x hybridus, which we’ll talk about. Just as the name suggests this plant has really pretty silver leaves. Wait patiently and around year three to five, you should have a mature, fully blooming plant. ) erupt into bloom when most other plants lie dormant, brightening gloomy colder months with their nodding, bell-shaped flowers. Helleborus niger is the most common type of hellebore flower with dark green leaves and five petals. The temperature and the kind you have will determine when. Zone 4-9 Lungwort . To Sum Up… This article has been aimed at providing you with a clear idea of how to care for Hellebores. Opposite of many plants, hellebores need more fertilizer in the fall to help them initiate flowers. Hellebore is a genus of approximately 20 species of herbaceous flowering plants in the family Ranunculaceae, native to Europe, Asia and northwest Africa. However, there are a few rules to follow to make sure they last for years. I made myself a cup of tea and I’m smiling as I tell you that my. So, Melissa is going to. Hellebores can be propagated by division, in which case all the resultant plants will be identical to the parent plant, or by seed in which case they may be very similar - or they may not. few. April 2023. Cherry Blossom ( Helleborus ‘Cherry Blossom’) Zones 4-9. For best results grow Helleborus niger in moist but well-drained soil in partial shade. orientalis. Part of the Winter Thriller series, flowers on this hellebore variety go from cream to. Keep the bulb as dry as possible without the bulb actually drying out. PROPAGATION: Hellebores can be propagated from seed or by divisions. How to grow hellebores in a pot. Topped with pretty green flowers, this hellebore will grow to two feet by two feet. Step 1. As I mentioned above, Lenten rose is really easy to grow, an early bloomer, and loves the shade. Third, Hellebore flower colors are usually subtle greens, pinks, and whites, and many gardeners want something brighter and flashier. Celebrated in songs and stories, Helleborus niger, commonly called Christmas Rose, is a winter-blooming evergreen perennial with large, bowl-shaped, glistening white flowers, 3 in. The best method for propagating a Helleborus flower is through the division method. Whether you’re a seasoned gardener or just starting out, propagating hellebores is a rewarding endeavor. 3. Those in the know, knew. The Best Hellebores. Hellebores (sometimes known as the Christmas or lenten rose) are evergreen members of the buttercup family. Here are three ways you can plant: 1. So, Melissa is going to brighten up the season by showing off “the winter rose”, hellebores. Take 2-4 inch. Downy mildew on hellebores is caused by a water mold known as Peronospora. Large, bowl-shaped flowers are borne in loose clusters in late winter or spring. Hellebores can be planted at any time between March and August so they have time to grow roots and bloom in the late winter. Caren White. It is propagated by three methods. Description. The above plants are just a few choices. How to propagate hellebores. Dip the cut end in rooting hormone and plant it in a well-draining planting medium. and hybrids) Plant type: Perennial Zones: 4-9 Exposure: Partial to full shade Bloom time: Mid to late winter Height/Spread: Up to 24 inches tall and wide. For dense plantings, space plants 1 foot or less a part. Divide, divide, divide. Fertilizing Hellebores in Pots. Propagation by Division. Hellebores are also very frost-tolerant and can survive in temperatures as low as -15 degrees Celsius. Transplants will have a variety of colors and may not be like the parents. These areas tend to stay shaded and. If you are sowing lettuce seeds directly into the open ground then leave between 10 and 12 inches between rows. Aphids can be found just about anywhere in your garden. Learn how to grow hellebores in your garden with the RHS expert guide on. Hellebores (Helleborus spp. Avoid dividing hellebores since they struggle to be transported. Hellebores do grow quite readily from seed, however. Using the son of Alexander's Greek Viceroy as a ‘mule’, hellebore was brought into Babylon, cleverly hidden inside a mules hoof. The greenhouse is the best place to grow hellebores from seed or to divide existing plants, as it provides a stable environment. Just as the name suggests this plant has really pretty silver leaves. Although they reasonably trouble-free, having and well-drained soil with plenty of added compost or manure will yield the best out of your plants. If the roots are tightly bound, gently tease them apart. You will know when the pods are in a state of readiness for seed harvest once they fatten or swell, change color from pale green to brown, and have just begun to split open. They are more commonly known as Christmas Rose . Here are some tips for planting hellebores in zone 6: Plant hellebores in the spring after the last frost. Established clumps are about 1 to 1 1/2 feet wide, and they get established the first year after planting and bloom the. Lime acts as a pH modifier, helping to counterbalance excessive acidity. Space the hellebores 14 to 18 inches (36 to 46 cm) apart. Alternately, allow the hellebores in your garden to self-seed. Plants prefer a cooler location in a greenhouse. Stinking hellebore, Helleborus foetidus, will also grow in Z9 and is reliably hardy down to Z6. The best way to propagate this species plant is by seed, particularly as it manages to self-seed so readily. 2. These blooms are waxy, somewhat succulent-like, and hold up in floral arrangements quite well. Plant in small groups (three to five plants together), spacing plant groups about 18 to 24 inches apart in good, well-drained soil amended with plenty of organic matter. Growing hellebore from seed. Like many flowers, hellebores blossom with ample sunlight and fertilizer. Hellebores are new to my garden this year, and in this article I describe my joy at seeing the flower buds coming up for the first time! I am beside myself with joy right now, after an afternoon of cleaning up leaves for the 74th time from one of the backyard garden beds. Decide where to plant. pale green, pink to cream. Their exquisite bowl- or saucer-shape flowers in white (often speckled), pinks, yellows, or maroon remain on the plant for several months, even after the petals have fallen. After another year, install the babies in the ground. Some of the plants that grow well with Hellebores are Hostas, Hardy Ferns, Columbines, Coral bells, and shade-preferring grass-like sedges. Plant hellebores in light to full shade in rich, evenly moist, well-drained soil that is neutral to alkaline. In order to develop new plants for nothing, gather ripe seed and sow it into modules. Invasive: Hellebore plants have a tendency to spread quickly and become invasive in some areas, making them difficult to control. (4-7 C. Hellebore Plant Care and Pruning. They are more commonly known as Christmas Rose . Helleborus x hybridus. it works, you do get near 100% germination, and 20% of those may flower in 2 years, so beg 100 seed rather than 20 cuttings. com Need some help and advice about your garden? Search our advice to find out everything from growing your own plants, fruit & veg to winter pruning. If you're planting hellebores from containers, gently remove them from their pots and loosen their roots. Hellebore are a very easy to grow plant. Hellebore plants are identified by colorful, showy cup-shaped flowers nodding at the end of erect stems. Water regularly and apply fertilizer annually. Growing hellebores from seed is the easiest method, and can be done directly in the ground or in pots. Inventory changes all the time so if you. There are two main ways that hellebore can be propagated: division and seed collection/propagation. They will still need at least six hours of partial sunlight per day, which is why you should ensure that you find the. When you’re collecting seeds from flowers look for the seed heads to change from green to brown and split open easily. It is bred from crossing Helleborus orientalis with other closely related species. The first step in pruning hellebores is to understand their natural growth habits. Water the plant lightly to moisten the soil. For growing plants, beautiful gardens and propagation. Place the hellebore in a sunny location during the winter and spring months. So, either keep the seeds in the fridge for that time before trying to plant, or else, plant outdoors in the fall where the cold period will happen naturally. Brush off the potting medium and place your transplant into the soil, spreading the roots out and nestling the plant in securely. Appropriate to the name t. How To Make Hellebores Bloom? Grow your hellebores in the springtime or the. Keep children, pets, livestock and other animals away. Once the pods are quite full looking and appear about ready to split open then flowers can be cut off. Dig the ground until the plant is completely free. Hellebore Overview. Plant in small groups (three to five plants together), spacing plant groups about 18 to 24 inches apart in good, well-drained soil amended with plenty of organic matter. The shining white blooms will light up a shade. It is a hardy perennial that is well suited to many different climates and soil types. Plant with well-rotted manure; keep amending it every spring and autumn with a layer of the. When planting hellebores, it is best to use a soil that is high in organic matter and has good drainage. By letting them self-seed at random, you’ll produce a hodge-podge of various colors and flower shapes. Expect up to four years from seed sowing. Leaves are more densely packed in a mound or rosette growth form and leaves seem to grow right out of the ground. But for hellebore to truly thrive and. Hellebore Overview. Spread: 18″ to 24″. Downy Mildew. The greenhouse is the best place to grow hellebores from seed or to divide existing plants, as it provides a stable environment. Not only are Hellebores easily grow from seed, plant breeders have found out it is even possible to hybridize the species. x Hybridus – The Harvington Hellebores: Helleborus x hybridus, commonly referred to as the Harvington Hellebores, are a popular choice among garden enthusiasts. How to Plant Hellebores: 4 Tips for Growing Hellebore Flowers. Yes, the more growing time they have, the larger they become, the less time to bloom. How to grow Hellebore. Ensure even moisture as they establish, and they may require a year of recovery before blooming. Dig the ground until the plant is completely free. You can then plant the divisions, making sure to water them well after planting until. Picked fresh, young beans taste. foetidus that is notable for its incredibly long flowering period, making it a hard-working addition to a winter garden. Hellebore flowers can be up to 2 inches in diameter! Size of plant, flower color and other attributes are variety specific. Position in hole and backfill with soil, gently firming down. Collect and sow fresh seeds in a seed tray or small pots. Water hellebores early morning or late evening. Most varieties of hellebores are hybrid, so. Written by MasterClass. Cut for indoors. late winter to spring. Your body frame must measure 8- inches in height and 76 inches. Depending on the type, most hellebores are low-growing plants that grow to a height of around 3-. This species needs some winter chill to thrive and is best grown in Zones 3-8. Hellebores like the same conditions as many other early bloomers—cool, dappled shade, and moist but well-drained, humus-y soil. How to Plant Hellebore. Propagation from seed can result in differences between the seedlings and the mother plants. If you propagate hellebores from seed, it can take even longer. With proper care, hellebores can bring joy and color to a garden all summer long! Hellebores have a wide range of colors, including white, yellow, pink, purple, and green. ) Bluebird Columbine (zones 3-9) – also wild red columbine. When doing this, be sure to wear protective gloves as the sap from the plant. The balance between sunlight and shade is a little bit more important with hellebores because full sunlight throughout the day can actually overwhelm your hellebores and dry them out too quickly. niger) may take some time to establish itself; to speed things along, consider adding some magnesium to the environment in the form of Epsom. The soil should also be slightly acidic, with a pH range of 6. Cotton Candy. Continue with this until you can see a clear dusting of pollen on the pen lid. There are a couple of ways to propagate hellebore plants – the first is by division. Furthermore, since hellebores are perennials, you don't have to worry about getting out and gardening in the cold winter weather. Hellebores, sometimes called Christmas rose or Lenten rose, are long-lived perennials that let you take a peek at their petticoats right now. hybridus) that all grow well in shaded areas and produce beautiful blooms that can lighten up your garden. Avoid dividing hellebores since they struggle to be transported. Grow hellebores in fertile, well-drained soil at the front of a border, beneath shrubs or in pots, in sun to partial shade. Description. Height and Width: Hellebores typically grow to a height of 12 to 18 inches, with a similar spread.