Desert Rockcress

Boechera lignifera

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Boechera
Species:
Boechera lignifera
USDA Symbol:
ARLI

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
80 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
white, purple

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Becker's white (Pontia beckerii)

Garden & Ecology Notes

Wildlife Value:
butterflies, native bees
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained sandy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
typically found in arid, mountainous regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
7–21 days
Notes:
Light may enhance germination. Seeds germinate best at cool temperatures around 15-18°C.

The above propagation data sourced from Claude AI