Showy Rattlebox

Crotalaria spectabilis

Native to:
Andaman Is., Bangladesh, China, India, Laos, Myanmar, Nepal, Nicobar Is., Pakistan, Taiwan, Thailand, Vietnam

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Crotalaria
Species:
Crotalaria spectabilis
USDA Symbol:
CRSP2

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
180 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
yellow

Host Plant for Caterpillars

Pulse pod borer (Etiella zinckenella)

Reported Fauna Sightings

Moths:Ornate moth (Utetheisa ornatrix)

Garden & Ecology Notes

Wildlife Value:
bees
Deer Resistant:
Yes

Soil Requirements

Soil Type:
well-drained, sandy or loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to open, disturbed sites; tolerates poor soils

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
7–21 days
Notes:
Hard seed coat requires scarification (mechanical or hot water treatment) for best germination. Seeds germinate readily in warm conditions after scarification.

The above propagation data sourced from Claude AI