Smoooth Thorn-Apple

Datura stramonium

Native to:
Mexico

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Solanaceae
Genus:
Datura
Species:
Datura stramonium
USDA Symbol:
DAIN7

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
150 cm
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug,sep,oct
Bloom Colors:
white, lavender

Host Plant for Caterpillars

corn earworm (Helicoverpa zea), Five-spotted hawk moth (Manduca quinquemaculatus), Pink-spotted hawk moth (Agrius cingulata), Sweetpotato Armyworm (Spodoptera dolichos), T-moth (Emmelina monodactyla), tobacco hornworm (Manduca sexta), Variegated cutworm (Peridroma saucia), Yellow-striped armyworm (Spodoptera ornithogalli), Yellownecked caterpillar (Datana integerrima)

Reported Fauna Sightings

Moths:tobacco hornworm (Manduca sexta)

Garden & Ecology Notes

Wildlife Value:
sphinx moths
Deer Resistant:
Yes
Fragrant:
Yes

Propagation & Germination

Stratification:
None required
Germination Time:
14–21 days
Notes:
Seeds germinate readily in warm soil without pretreatment. Light may enhance germination.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires light / surface sow (fine seed).

Source: Ontario Rock Garden & Hardy Plant Society