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Coral Bells

Coral Bells

Heuchera sanguinea

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Coral Bells (Heuchera sanguinea) is a perennial herbaceous flowering plant in the Saxifragaceae family, prized in gardens for its attractive foliage and delicate, bell-shaped flowers. The species name 'sanguinea' refers to the blood-red color of its blooms. Native to the southwestern United States and northern Mexico, this drought-tolerant plant has become a staple in ornamental horticulture worldwide.

Taxonomy

Kingdom Plantae
Phylum Tracheophyta
Class Magnoliopsida
Order Saxifragales
Family Saxifragaceae
Genus Heuchera
Species Heuchera sanguinea
Heuchera sanguinea is native to the southwestern United States (Arizona, New Mexico) and northern Mexico, where it grows in rocky, well-drained slopes and canyons at elevations of 1,500–3,000 meters.

• The genus Heuchera comprises approximately 50–70 species, most of which are native to North America
• Named after Johann Heinrich Heucher, an 18th-century German physician and botanist
• Indigenous peoples of the Southwest used some Heuchera species medicinally, particularly as poultices for wounds and inflammation
Coral Bells is a clump-forming perennial that typically reaches 30–60 cm in height when in flower.

Leaves:
• Basal rosette of rounded to heart-shaped leaves with lobed margins
• Foliage is semi-evergreen to evergreen in mild climates
• Leaves are typically 3–8 cm across with a slightly hairy texture
• Color ranges from green to reddish-green, often with silver or purple undertones

Flowers:
• Slender, wiry flower stalks rise above the foliage in late spring to early summer
• Produces dense panicles of small, bell-shaped flowers
• Individual flowers are approximately 5–10 mm long
• Typically deep red to pink (occasionally white or coral-colored)
• Attractive to hummingbirds and pollinators

Roots:
• Thick, woody rootstock with fibrous roots
• Drought-adapted with moderate water storage capacity
Heuchera sanguinea thrives in woodland edges, rocky slopes, and canyon walls in its native range.

• Prefers partial shade to full sun depending on climate
• Attracts hummingbirds, butterflies, and native bees
• Deer and rabbit resistant due to slightly hairy, bitter foliage
• Hardy in USDA zones 4–9
• Tolerates drought once established but performs best with consistent moisture
Coral Bells is a low-maintenance perennial ideal for borders, rock gardens, containers, and ground cover.

Light:
• Partial shade is ideal, especially in hot climates
• Can tolerate full sun with adequate moisture
• Foliage color intensifies with some sun exposure

Soil:
• Well-drained, humus-rich soil
• Tolerates a range of soil types including clay, loam, and rocky substrates
• pH: slightly acidic to neutral (6.0–7.0)

Watering:
• Moderate water needs; drought-tolerant once established
• Avoid waterlogged conditions to prevent crown rot

Temperature:
• Hardy in USDA zones 4–9
• Mulch in winter for protection in colder zones

Propagation:
• Division in spring or fall
• Seed sowing (may not come true to cultivar)
• Stem cuttings

Common Problems:
• Crown rot from overwatering or poor drainage
• Vine weevil damage to roots
• Rust or powdery mildew in humid conditions

Fun Fact

The common name 'Coral Bells' comes from the delicate, bell-shaped flowers that dangle like tiny coral-colored chimes from slender stalks. Heuchera sanguinea has been a parent plant in breeding programs that have produced hundreds of modern cultivars with foliage in shades of purple, silver, lime green, and peach — making it one of the most versatile foliage plants in contemporary garden design.

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