Littleleaf Alumroot
Heuchera parvifolia
Also known as: Hard Alumroot
- Native to:
- Canada, Mexico, United States
JerryFriedman
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Saxifragaceae
- Genus:
- Heuchera
- Species:
- Heuchera parvifolia
- USDA Symbol:
- HEPA11
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 45 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- may,jun,jul,aug
- Bloom Colors:
- white, cream, greenish
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- butterflies, small bees
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rocky, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to rocky slopes and alpine areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–42 days
- Notes:
- Seeds require light for germination; surface sow and do not cover. Cold stratification improves germination rates.
The above propagation data sourced from Claude AI
Pre-treatment: 5 month outdoor stratification
Establishment: Seeds are very small and are hand collected into cloth bags. The plant is found on granitic and limestone cliffs, slopes and talus in the Rockies from Alberta to New Mexico, west to central Idaho, Nevada, and Arizona.
Source: npn.rngr.net
ORGHPS Germination Guide: Best grown in plastic bag for humidity