perennialN. America Native

Mahogany Coralbells

Heuchera sanguinea 'Mahogany'

The Story

Plant Bio

Heuchera sanguinea 'Mahogany' produces striking foliage and produces spikes of red flowers.

This cultivar is known for its dark mahogany-colored leaves, setting it apart from other Heuchera varieties.

Uses & Benefits:

Ornamental UsesHeuchera 'Mahogany' offers striking dark foliage that adds depth and contrast to shaded garden beds and borders.
Practical UsesIts low-maintenance nature makes it ideal for gardeners seeking reliable, decorative groundcover.
Ecological BenefitsProvides nectar for hummingbirds and attracts beneficial insects, supporting local biodiversity.
SpeciesHeuchera sanguineaCoral Bells

Essentials

At a Glance

Plant Type

Perennial

Height

12 inches

Width

18 inches

Light

Partial Sun, Shade

Zones

4, 5, 6, 7

Water

Moderate, prefers consistently moist soil

Humidity

Prefers moderate humidity

Lifespan

Perennial

Native To

North America

Toxicity

Non-toxic to humans and pets

Bloom period

Early summer – Mid-summer

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In flower about 2 months of the year

Planting

How to Grow

  1. Tuck seeds into moist soil in early spring for best germination.
  2. Mist cuttings regularly to maintain humidity during rooting.
  3. Transplant young plants in spring after the last frost for optimal growth.
  4. Water deeply once a week, ensuring soil remains evenly moist.
  5. Feed with a balanced fertilizer in early spring and mid-summer.
  6. Mulch around plants to conserve moisture and suppress weeds.

Pro Tip

Use well-draining soil and avoid overwatering to prevent root rot.

Keep It Thriving

Care Guide

Do

  • Water consistently to keep soil moist but not soggy 🌱
  • Apply mulch to retain moisture and regulate soil temperature
  • Prune back dead or damaged leaves in early spring

Don't

  • Avoid overwatering, which can cause root rot ❌
  • Do not fertilize late in the season to prevent legginess
  • Refrain from planting in heavy, poorly-drained clay soils

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Divide
Mulch
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland border with silvery foliageContrast plantings in shaded bedsGroundcover beneath taller shrubs

Companion Plants

HostaAstilbeFerns Japanese Forest Grass Brunnera

Multiply

Propagation Methods

Good to Know

Common Questions

Mahogany Coralbells questions

What zones can Mahogany Coralbells grow in?

Mahogany Coralbells is hardy in USDA Zones 4–7. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Mahogany Coralbells deer resistant?

Yes — Mahogany Coralbells is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Mahogany Coralbells bloom?

Mahogany Coralbells typically blooms in early summer through mid-summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Mahogany Coralbells need full sun?

Mahogany Coralbells does best in part shade.

Is Mahogany Coralbells drought tolerant?

Yes — once established (usually after the first full season), Mahogany Coralbells handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.

Keep exploring

Grow Mahogany Coralbells with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.