Constance's Bittercress

Cardamine constancei

Native to:
United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Cardamine
Species:
Cardamine constancei
USDA Symbol:
CACO27

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
30 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Bloom Months:
apr,may,jun
Bloom Colors:
white

Keystone Species Ranking

Caterpillar Keystone:
★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
insects

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to moist, shaded forest areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
10–30 days
Notes:
Requires light for germination; seeds should be surface-sown and kept consistently moist.

The above propagation data sourced from Claude AI