Bastard Toadflax

Comandra umbellata

Native to:
Albania, Bulgaria, Canada, Greece, Labrador, Mexico, NW. Balkan Pen., Prince Edward I., Romania, Türkiye, Türkiye-in-Europe, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Santalaceae
Genus:
Comandra
Species:
Comandra umbellata
USDA Symbol:
COUM

Growth Characteristics

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

Wildlife Benefits

Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Acleris comandrana, American Swordgrass Moth (Xylena nupera), Ochromolopis ramapoella

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from rhizomes following fire; often increases in abundance in fire-maintained prairies and savannas.

Soil Requirements

Soil Type:
sandy, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
often found in open woods and prairies

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Notes:
Hemiparasitic; requires host plant roots for establishment. Germination may be erratic without proper host contact.

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