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:
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
In flower about 2 months of the year
Planting
How to Grow
- Tuck seeds into moist soil in early spring for best germination.
- Mist cuttings regularly to maintain humidity during rooting.
- Transplant young plants in spring after the last frost for optimal growth.
- Water deeply once a week, ensuring soil remains evenly moist.
- Feed with a balanced fertilizer in early spring and mid-summer.
- 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
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Mulch | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
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.
More Heuchera to compare

Mixed Coral Bells
Heuchera sanguinea 'Mixed Coral Bells'

Midnight Rose Coral Bell
Heuchera x brizoides 'Midnight Rose'

Palace Purple Coral Bells
Heuchera americana 'Palace Purple'

Wildberry Coral Bells
Heuchera x brizoides 'Wildberry'

Electra Coral Bells
Heuchera sanguinea 'Electra'

Caramel Coral Bells
Heuchera sanguinea 'Caramel'
Keep exploring
Explore the genus
Hardy in your zone?
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.


























