Flaxleaf Plainsmustard

Sisymbrium linifolium

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Sisymbrium
Species:
Sisymbrium linifolium
USDA Symbol:
SCLI

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
apr,may,jun,jul
Bloom Colors:
white, pink, lavender

Garden & Ecology Notes

Wildlife Value:
small birds
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from perennial root crown after fire; common in fire-prone sagebrush and grassland communities.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to arid, rocky environments

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
7–21 days
Notes:
Seeds germinate readily after cold stratification; light may improve germination rates.

The above propagation data sourced from Claude AI