American Alum Root, Heuchera Seed
American Alum Root Heuchera Seed
- Mounded foliage stays attractive beyond flowering
- Tiny cream flowers rise on wiry stems
- Adaptable groundcover for woodland edges
- Handles shade and average garden soil
Key Attributes
About American Alum Root, Heuchera Seed
American alum root creates a handsome mound of maple-shaped foliage for shaded beds and woodland edges. Slender stems carry airy sprays of tiny cream flowers above the leaves in late spring. Its adaptable habit works well as a textural groundcover in average, well-drained soil.
Growing details
Plant profile
Seed & variety
Before Planting
Planting
Watering
Fertilizer
Harvesting
Tips
Pests & Diseases
Pythium and Phytophthora root rots, rust, Botrytis, and bacterial leaf spot may trouble coral bells. Crowns buried by mulch often rot. Keep the crown at soil level, lift plants from persistently wet sites, and remove water-soaked leaves. Divide healthy outer sections when old centers begin declining.
Coral Bells can attract aphids, thrips, spider mites, Japanese beetles, and slugs. Scout flowers and new growth regularly, handpick when practical, and protect beneficial insects with targeted controls.
Native States & Regions
- Alabama
- Arkansas
- Connecticut
- Delaware
- Georgia
- Illinois
- Indiana
- Kentucky
- Louisiana
- Maryland
- Michigan
- Mississippi
- Missouri
- New Jersey
- New York
- North Carolina
- Ohio
- Oklahoma
- Pennsylvania
- South Carolina
- Tennessee
- Virginia
- West Virginia
Native regions: Widespread Native
American Alum Root Heuchera Native Range Map
Native range describes natural occurrence, not the origin of this seed lot or every location where a plant can be grown.
Alaska and Hawaii are shown as insets. State-level range does not mean a plant occurs throughout every part of that state.
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