Crinkleroot

Cardamine diphylla

Native to:
Canada, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Cardamine
Species:
Cardamine diphylla
USDA Symbol:
CADI10

Growth Characteristics

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

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

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

Host Plant for Caterpillars

Paramidea midea, 🛑West Virginia white (Pieris virginiensis)

Reported Fauna Sightings

Butterflies:⚠️Mustard White (Pieris oleracea), 🛑West Virginia white (Pieris virginiensis)

Garden & Ecology Notes

Wildlife Value:
early pollinators, specialist bees

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers shaded woodland environments

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–30 days
Notes:
Seeds require light for germination. Fresh seed germinates more readily than stored seed.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI