Light Needs
Mature Height
Mature Spread
Growing Zones
Obsidian Coral Bells awaken in spring with eye-catching, deep maroon, ruffled foliage. In June, long spikes adorned with white flowers make their debut in your garden space. A truly unique cultivar to add to your garden.
This is a low-maintenance perennial growing 8-10 inches tall and 15-18 inches wide. Winter Hardy in USDA zones 4-8. Attracts hummingbirds and butterflies with its tall flowers that bloom during the summer. Plant several coral bells and hostas together for a dramatic color palate in the garden. Also great for container plantings. This is a deer resistant plant.
Obsidian Coral Bells Care
Plant in full sun to part shade, well-drained soil. Prefers acidic soil. Tolerate alkaline and clay soils. Water regularly. Has some drought tolerance once established.
Obsidian Coral Bells Spacing
This plant has a mounding compact habit. Plant multiples 2 feet apart, center on center. That will ensure the plants have enough room for their roots to grow and for enough air circulation between the plants.
Obsidian Coral Bells Plant Facts
Growing Conditions
- Hardiness ZonesGrowing Zones
- USDA Zones 4 to 8 (perennial); grown as an annual elsewhere (outdoors year-round); grown indoors elsewhere (outdoors year-round); grown in containers elsewhere (grown as a seasonal crop)
- Sun Exposure
- Part Shade to Full Sun (3+ Hours Direct Sun)
- Mature Height
- 6-11 Inches
- Mature Spread
- 1 Foot
- Growth Habit
- , Mounded
- Water Needs
- Average
Flowers & Foliage
- Flower Colors
- , White
- Flower Description
- White
- Bloom Time
- Mid-Spring to Late Summer
- Foliage Color
- , Black
- Foliage Description
- Black
- Foliage Type
- , Evergreen
- Seasonal Interest
- , Summer Flowering
Garden Benefits
Plant Overview
- Common Name
- Obsidian Coral Bells
- Botanical Name
- HEUCHERA 'OBSIDIAN'
- Brand
- Plants That Work
Simple Plant Spacing Calculator
Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on type of plant, time of year, last pruning & many other factors.
Also Known As:
Quart
Plant Age:
~ 6 months - 1 year
Plant Size:
~ 4"-8"
Pot Size:
~ 4.75"H x 4.5"W
Volume:
1.50 quarts
Also Known As:
2.5 Quart Pot
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 8"-12"
Pot Size:
~ 6.5"H x 6.5"W
Volume:
2.20-2.30 quarts
Also Known As:
#1 Container
1 Gallon
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 10"-14"
Pot Size:
~ 7"H x 7.75"W
Volume:
2.26-3.73 quarts
Also Known As:
#2 Container
2 Gallon
Plant Age:
~ 1.5 - 3 years old
Plant Size:
~ 12"-18"
Pot Size:
~ 9.5"H x 9.5"W
Volume:
1.19-1.76 gallons
Also Known As:
#3 Container
3 Gallon
Plant Age:
~ 2 - 4 years old
Plant Size:
~ 12"-30"
Pot Size:
~9.5"H x 11"W
Volume:
2.32-2.76 gallons
Also Known As:
#5 Container
5 Gallon
Plant Age:
~3-4 years old
Plant Size:
~ 20" - 60"
Pot Size:
~11" H x 10 1/2” W
Volume:
3.5 - 4 gallons
We stand behind our plants with industry-leading guarantees to give you peace of mind.
We want your plants to arrive in great condition! If you notice any issues upon delivery, contact us within 3 days.
Starting January 1, 2026 all bushes, perennials & trees purchased come with an extended 1-year warranty for added confidence. If your plant dies due to a health issue within a year, we’ll make it right.
Plants that are currently in stock typically ship within 2-7 business days after your order is placed.
Plant Addicts ships to the lower 48 states within the U.S. Unfortunately, we do not currently ship to Alaska, Hawaii, or internationally.
This plant cannot be shipped to the following states: AK, HI. These restrictions apply only to this specific plant due to agricultural regulations or other limitations. Other plants may still be available for shipping to these states.
If you have any questions about shipping restrictions, feel free to reach out to our team!