How to Grow Coral Bells (Bronze Foliage)

Wikimedia Commons

Coral Bells (Bronze Foliage)

Heuchera × brizoides

flower

Coral bells are ornamental perennials prized for their vibrant bronze, burgundy, and deep purple foliage that provides year-round color. They produce delicate spires of tiny coral, pink, or red flowers in spring and early summer, attracting hummingbirds and pollinators. The bronze-leaved varieties are particularly valued for dramatic color contrast in shade and mixed border gardens.

When should you plant Coral Bells (Bronze Foliage) in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Coral Bells (Bronze Foliage) timeline →

Example Coral Bells (Bronze Foliage) timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Coral Bells (Bronze Foliage)

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Coral Bells (Bronze Foliage) blooms

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Coral Bells (Bronze Foliage) dates for your own zip code.

Growing Conditions

☀️
Sun: Partial shade to dappled sunlight, 3-6 hours of sun daily; bronze coloring deepens with more light but may fade in intense afternoon heat
💧
Water: Moderate, consistent moisture; water deeply 1-2 times weekly during growing season; reduce in winter; avoid waterlogging and ensure excellent drainage to prevent root rot
📏
Spacing: 12 inches
📅
Days to maturity: 60-90 days (foliage production), flowers by spring/early summer
🌱
Planting depth: Surface sowing or 1/4 inch deep for seeds; transplants at same depth as container

Soil

Type: Well-draining loamy or sandy soil
pH: 6.0-7.0
Amendments:
Compost Peat moss or coconut coir Perlite or coarse sand for drainage

Growing Zones

Find your zone →

Ideal in zones 4-8; bronze foliage most intense in cooler zones

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

Sign up free to see if Coral Bells (Bronze Foliage) grows in your zone — and get a personalized planting timeline.

Get my Coral Bells (Bronze Foliage) timeline →

Growth Stages

1

Seedling

3-4 weeks

Tiny heart-shaped leaves emerge; bronze coloring begins to develop over 3-4 weeks

Keep soil consistently moist but not waterlogged; provide bright indirect light; thin seedlings to proper spacing

2

Foliage Development

Spring through summer, continuing through fall and winter

Dense rosette of deeply lobed, ruffled leaves with intensifying bronze, burgundy, or deep purple hues; plant establishes root system

Maintain consistent moisture; mulch around base; fertilize monthly with balanced fertilizer; bronze color deepens in cooler temperatures and with adequate light

3

Flowering

4-6 weeks

Delicate flower spikes (8-12 inches tall) emerge from foliage in spring to early summer, bearing tiny coral, pink, red, or white flowers

Deadhead spent flowers to encourage continued blooming; maintain consistent watering; this stage attracts hummingbirds

4

Mature Plant

Year-round

Established clump with dense bronze-toned foliage, occasional flowering throughout season; plant may develop a woody center

Divide every 3-4 years to rejuvenate; remove dead leaves; apply 1-2 inches of mulch in fall for winter protection; maintain air circulation to prevent fungal issues

5

Dormancy/Winter

Late fall through early spring

Foliage persists but becomes darker and more muted; plant enters semi-dormant state in cold climates

Reduce watering significantly; no fertilization needed; mulch heavily in zones 3-4 to protect crown; clear old foliage in early spring after new growth appears

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Plants requiring full, intense sun (may compete for resources in shade) Aggressive groundcovers that may overwhelm Plants requiring constant dryness (root competition)

Common Pests

  • Remove affected leaves; encourage natural predators; avoid overhead watering; apply neem oil in severe cases

  • Improve air circulation; avoid overhead watering; apply sulfur or baking soda spray; remove affected foliage

  • Ensure excellent drainage; reduce watering frequency; remove affected plants; do not replant in same location

  • and

    Remove debris and shelter; use slug traps; apply diatomaceous earth; encourage natural predators like ground beetles

  • Handpick adults; apply spinosad in early morning or evening; encourage natural predators

Uses

🌿

Shade Garden Focal Point

Ornamental

Bronze foliage provides dramatic year-round color contrast in partial shade gardens, woodland edges, and mixed borders. The metallic bronze tones deepen in cool temperatures and create striking color combinations with green-leaved plants. [source]

🦋

Hummingbird and Pollinator Nectar

Wildlife

Delicate flower spikes attract hummingbirds, bees, and other pollinators during spring and early summer bloom period. The flowers provide valuable early-season nectar source in woodland and shade gardens. [source]

🎨

Floral Arrangements

Craft

Both foliage and flower spikes are excellent for fresh and dried floral arrangements, adding texture and color depth to bouquets and compositions throughout the season. [source]

🏠

Low-Maintenance Ground Cover

Household

Dense foliage suppresses weeds and provides four-season interest with minimal maintenance once established. The compact growth habit works well in containers, edging, and rock gardens. [source]

Harvest Tips

Coral bells are ornamental foliage plants; harvest flowers for arrangements by cutting stems at base when spikes are fully open. Foliage can be cut for arrangements year-round but is most vibrant in spring and fall. Deadhead spent flowers to extend blooming season and encourage bushier growth.

Fun Facts

  • 🌱 Coral bells foliage color is most intense in fall and spring when temperatures are cooler; intense summer heat may cause bronze leaves to temporarily fade to greenish tones, recovering in fall
  • 🌱 The plant's botanical name 'Heuchera' honors Johann Heinrich von Heucher, an 18th-century German botanist, while 'brizoides' refers to the similarity of its flowers to those of the genus Briza (quaking grass)
  • 🌱 Modern coral bells varieties are predominantly hybrid crosses that combine superior foliage color and texture from species including H. micrantha, H. americana, and H. cylindrica, creating thousands of possible color combinations

Gardening Terms

New to gardening? Learn about terms used in this guide:

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Coral Bells (Bronze Foliage) planting timeline

Tell us your zip code and we'll calculate exactly when to start Coral Bells (Bronze Foliage) seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Coral Bells (Bronze Foliage) timeline →