Rockcress

Arabidopsis arenicola

Native to:
Canada, Greenland, Labrador, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Arabidopsis
Species:
Arabidopsis arenicola
USDA Symbol:
ARAR32

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
30 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
mar,apr,may,jun
Bloom Colors:
white

Garden & Ecology Notes

Wildlife Value:
small insects
Deer Resistant:
Yes

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
adapted to sandy, coastal environments

Propagation & Germination

Stratification:
Cold/moist stratification required — 14–30 days
Germination Time:
5–14 days
Notes:
Light promotes germination. Seeds are small and should be surface-sown or barely covered.

The above propagation data sourced from Claude AI

Pre-treatment: Single-step cold-moist stratification for temperate woodland species. for 60–120 days

Source: Claude AI