Blackout Coral Bells
Heuchera sanguinea 'Blackout'
Essentials
At a Glance
Plant Type
Perennial
Height
10 inches
Width
15 inches
Light
Full Sun, Partial Sun, Shade
Zones
4, 5, 6, 7, 8, 9
Water
Medium
Humidity
Average
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
A compact and hardy perennial with attractive foliage and vibrant red flowers. This cultivar features deep black-purple leaves that provide a stunning contrast in the garden.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck seeds or divisions into well-draining soil in early spring.
- Water consistently to keep soil moist but not soggy.
- Mist cuttings with a fine spray to encourage root development.
- Transplant young plants after the last frost for best growth.
- Apply mulch around plants to retain moisture and suppress weeds.
- Fertilize with a balanced, water-soluble fertilizer every 4-6 weeks during the growing season.
Pro Tip
Provide partial shade in hot climates to prevent leaf scorch and ensure vibrant foliage.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Apply mulch to conserve moisture
- Fertilize monthly during growing season
- Prune dead or damaged leaves for healthy growth
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t expose to full, harsh sun in summer
- Refrain from heavy fertilizing late in the season
- Don’t neglect pest inspection
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
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Blackout Coral Bells questions
What zones can Blackout Coral Bells grow in?
Blackout Coral Bells is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Blackout Coral Bells deer resistant?
Yes — Blackout Coral Bells is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Blackout Coral Bells bloom?
Blackout Coral Bells typically blooms in early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Blackout Coral Bells need full sun?
Blackout Coral Bells does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Blackout Coral Bells drought tolerant?
Yes — once established (usually after the first full season), Blackout Coral Bells 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'
Electra Coral Bells
Heuchera sanguinea 'Electra'
Wildberry Coral Bells
Heuchera x brizoides 'Wildberry'
Palace Purple Coral Bells
Heuchera americana 'Palace Purple'
Obsidian Coral Bells
Heuchera villosa 'Obsidian'
Keep exploring
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Grow Blackout Coral Bells 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.
