American Alumroot plant profile
Heuchera americana
A perennial flower for partial sun.
Last updated .
When to plant
When to plant American Alumroot
American alumroot forms a low mound of evergreen-ish foliage with airy cream flower stalks rising spring into summer (NC State: April to August). Plant or divide in spring or fall in well-drained, humus-rich soil with part shade.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open American Alumroot in my garden calendarShows the source-backed planting season, not frost-adjusted dates.
Growing conditions
- Sun
- Partial sun
- Soil pH
- 5 to 6
- Lifecycle
- Perennial
- Hardiness
- Zones 4a to 9bFind my hardiness zone
Next steps
Continue with American Alumroot
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- Heuchera americana (American Alumroot)
North Carolina Extension Gardener Plant Toolbox (NC State Extension). Supports general reference. Checked 2026-06-18.