Barneby's Pepperweed 🛑 Endangered

Lepidium barnebyanum

Native to:
United States
Barneby's Pepperweed

USFWS

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Lepidium
Species:
Lepidium barnebyanum
USDA Symbol:
LEBA

Growth Characteristics

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

Garden & Ecology Notes

Salt Tolerant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained, calcareous soil
pH:
7.0 - 8.0 (neutral to slightly alkaline)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to limestone outcrops, prefers calcareous conditions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–42 days
Notes:
Seeds may require cold stratification and germinate best in cool temperatures.

The above propagation data sourced from Claude AI