Planting and Growing Coral Bells (Heuchera)

Colorful coral bells foliage with delicate flower spikes in a shaded garden

Coral bells (Heuchera) are grown for their vibrant foliage and thrive in part shade.

Photo Credit
Julia Gardener
Botanical Name
Heuchera spp.
Plant Type
Foliage Plants
USDA Zones
4
5
6
7
8
9
Sun Exposure
Part Sun
Shade
Soil pH
Varies
Special Features
Deer-resistant
Written By: Andy Wilcox Master Gardener and Gardening Contributor

Coral bells (Heuchera) are colorful, low-maintenance perennials that brighten shady gardens with foliage in lime, burgundy, silver, purple, and nearly black. Deer-resistant and adaptable to a range of soils, they’re a favorite for borders, containers, and woodland beds. Here’s how to grow and care for coral bells.

Coral bells are small, mounding perennials that stay evergreen in warm climates and may be semi-evergreen in colder regions. While many types produce airy flower spikes that attract hummingbirds and pollinators, coral bells are grown primarily for their striking foliage. Plants are typically hardy in USDA zones 4–9 and tolerate a range of light and soil conditions as long as drainage is good.

Most varieties grow 6–12 inches tall and spread 1–3 feet wide, forming tight rosettes. Leaves may be smooth or ruffled and come in an incredible palette—chartreuse, pink, burgundy, purple, and near-black—often with contrasting veining or multicolored patterns.

In the landscape, heucheras mix well with other shade-loving plants. Match them with hostas, astilbes, ferns, and hellebores. Mix them in a partially sunny spot with your geraniums, ornamental grasses, and daylilies. They look best planted in small groups. As they’re on the small side, plant them towards the front of a border garden.

Coral Bells Care at a Glance

  • Light: Part shade is best; morning sun, afternoon shade
  • Soil: Rich, well-draining soil; avoid soggy sites
  • Water: Keep evenly moist while establishing; drought-tolerant in shade once rooted
  • Feeding: Minimal; light feeding for containers
  • Maintenance: Remove ragged leaves; divide every 3–4 years
  • Best feature: Foliage color (flowers are a bonus)

Are Coral Bells Deer-Resistant?

Coral bells are generally deer- and rabbit-resistant because the leaves are slightly astringent and unpalatable. That said, no plant is completely deer-proof—hungry animals may still browse during drought or winter.

Do Coral Bells Grow in Salty Soil?

Many coral bells tolerate a range of soils, including slightly salty conditions, but they perform best where the soil drains well and is improved with organic matter. If you garden near the coast, focus on building drainage and sheltering plants from drying winds.

coral bell foliage plants
Heurchera come in many colors to add variety to a shady corner. Credit: Buquet Christophe

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Planting

Where to Plant

Coral bells grow best in part shade to partial sun. Aim for 4–6 hours of gentle light—morning sun and afternoon shade is ideal. In hot climates, protect plants from strong afternoon sun, especially bright-lime or pink varieties that can scorch.

Choose soil that is moist but well-draining. Heavy clay or low spots that stay wet can lead to root rot. If drainage is poor, amend with compost, plant on a berm, or use a raised bed.

When to Plant

  • Spring: Plant after the last frost; harden off nursery plants before transplanting.
  • Fall: Plant at least 6 weeks before the ground freezes so roots can establish.
A gardener planting small coral bell plants wearing gloves.
Planting coral bells. Credit: Shutterstock

How to Plant

  1. Dig a shallow hole slightly wider than the pot and loosen the surrounding soil.
  2. Set the plant so the crown sits at ground level (not buried).
  3. Backfill with native soil (amended if needed) and gently firm.
  4. Space plants 12–24 inches apart, depending on mature width.
  5. Water thoroughly and keep evenly moist for the first few weeks.

Planting Coral Bells in Containers

Coral bells do very well in pots. Use a high-quality potting mix, ensure drainage holes are open, and water when the top 1–2 inches of soil feels dry. Container plants benefit from light feeding during active growth.

Growing

Coral Bells Care

Light

Part shade produces the best color and the least leaf scorch. If leaves bleach, brown at the edges, or crisp in summer, move plants to more afternoon shade.

Soil

Provide fertile, well-draining soil that’s slightly acidic to neutral (about pH 5.5–7.5). Improve poor soil with compost; avoid consistently wet sites.

Water

Water regularly after planting. Once established, coral bells are somewhat drought-tolerant in shade, but they look best with even moisture. Let the top couple inches dry slightly between waterings and avoid waterlogged soil.

Temperature and Humidity

Coral bells thrive across zones 4–9. In very hot regions, extra afternoon shade and consistent moisture help prevent stress and leaf scorch.

Fertilizer

In-ground plants usually need little to no fertilizer if the soil is reasonably fertile. For containers, feed lightly once a month during the growing season with a balanced fertilizer diluted according to label directions.

Pruning and Deadheading

Remove tattered or winter-damaged leaves in early spring to make room for fresh growth. You can deadhead spent flower stalks for a tidier look and potential rebloom.

Dividing and Transplanting

Coral bells often become woody or thin in the center after a few years. Divide clumps every 3–4 years in spring (or early fall in mild climates) to rejuvenate growth.

  1. Dig up the clump and gently shake off loose soil.
  2. Pull or cut the plant into smaller sections with healthy roots and crowns.
  3. Replant divisions promptly with the crown at ground level and water well.

Overwintering

In zones 4–9, coral bells typically overwinter outdoors. After the first hard frost, apply 2–4 inches of mulch (straw or shredded leaves) to reduce freeze-thaw heaving that can lift shallow roots. In spring, pull mulch back and remove dead leaves.

Pink coral bell flowers growing upright.
Coral bell flowers. Credit: Shutterstock

Design Ideas and Companion Plants

Where Coral Bells Shine

  • Front-of-border edging
  • Woodland and shade gardens
  • Container combinations for season-long color
  • As a hosta alternative in deer-prone areas

Companion Plants for Coral Bells

  • Hostas
  • Astilbes
  • Ferns
  • Hellebores
  • Hardy geraniums
  • Ornamental grasses
  • Daylilies (in part sun)

Pests and Problems

Coral bells are quite an easy-going, low-maintenance plant, but like all plants, there are a few diseases and pests to watch out for.

Common Pests and Diseases

  • Spider mites: More common in hot, dry conditions; increase humidity and rinse leaves.
  • Downy mildew: Improve airflow; avoid overhead watering.
  • Mealybugs: Remove with cotton swab dipped in alcohol; treat severe infestations as needed.
  • Japanese beetles: Hand-pick or use appropriate controls in your region.

Problem: Plants Are Short-Lived

Coral bells often decline after 3–4 years. Dividing regularly keeps plants vigorous and helps you expand your planting for free.

Problem: Scorched or Bleached Leaves

This usually means too much sun or heat. Shift plants to a spot with afternoon shade and keep soil evenly moist during heat waves.

Problem: Wilting or Drooping

Check soil moisture first. Underwatering and hot sun can cause wilt, but so can root rot from soggy soil. Ensure drainage and water only when the top of the soil begins to dry.

Problem: Sparse Foliage

If growth is thin, the plant may be in too much shade or the clump may be aging. Move to brighter shade and divide older plants.

Problem: Plants Lift Out of the Ground

Freeze-thaw cycles can heave shallow-rooted plants. Mulch after the first hard frost and firm lifted crowns back into place in early spring.

Types

With so many cultivars available, choose plants based on light levels, foliage color, and texture. Here are a few standouts:

  • ‘Black Pearl’: Deep purple-black, ruffled foliage with airy white blooms.
  • ‘Green Spice’: Green and silver leaves with purple veining; compact and bright in shade.
  • ‘Lime Marmalade’: Neon chartreuse, frilly leaves that light up darker beds.
  • ‘Paprika’: Vivid orange foliage that pops against darker companions.
Red, purple, and yellow coral bell foliage.
Varieties of coral bells. Credit: Shutterstock

Wit and Wisdom

  • Mix colors and sizes of heucheras to create a well-designed shady garden bed. In warmer zones, they can be a source of color all year long.
  • If you have a woodland edge, heucheras can be used to naturalize the area, providing interest after the daffodils have come and gone.
  • Heucheras should be divided every 3-4 years to renew vigor and avoid forming a hollow spot in the center. 

Coral Bells FAQs

Do coral bells come back every year?

Yes. Coral bells are hardy perennials in USDA Plant Hardiness Zones 4–9 and return each spring. In warm climates, they may stay evergreen; in colder areas, they can be semi-evergreen or die back and regrow from the crown.

Do coral bells prefer sun or shade?

Most perform best in part shade, especially with afternoon shade. A few hours of morning sun can improve color, but intense afternoon sun can scorch leaves—particularly in hot climates.

When should I cut back coral bells?

Clean up damaged leaves in early spring before new growth starts. You can also remove spent flower stalks at any time for a tidier look.

Why are my coral bells dying in the middle?

It’s common for older clumps to thin in the center. Divide every 3–4 years to rejuvenate growth and replant healthy outer sections.

Are coral bells good in containers?

Yes. They’re excellent container plants and provide long-lasting color. Use well-draining potting mix, water when the surface dries, and feed lightly during the growing season.

Ornamental Gardening
Shade Gardening
About The Author
Andy Wilcox

Andy Wilcox

Master Gardener and Gardening Contributor

Andy Wilcox is a freelance writer, flower farmer, and master gardener with over 25 years of experience in gardening, horticulture, and forestry. He is the co-owner of Stone’s Throw Flowers, a business...
Read More from Andy Wilcox

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Comments

<span>Roger Hansen</span> Thu, 03/16/2023 - 07:41
Deer & rabbits may not like these, however, squirrels will dig them up when they are first planted & eat all the roots. They need protection, such as chicken wire for a year or two, the taller the better.