Nuttall's Rockcress

Arabis nuttallii

Nuttall's Rockcress

Matt Lavin from Bozeman, Montana, USA

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Arabis
Species:
Arabis nuttallii

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
1-2 ft
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr, may, jun, jul, aug
Bloom Colors:
White, Green

Native Range

United States: Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming, Canada: Alberta, British Columbia, Yukon

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:
often found in open, rocky slopes

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: OpenAI GPT-4o