Java-Bean

Senna obtusifolia

Native to:
Argentina, Bahamas, Belize, Bolivia, Brazil, Cayman Is., Colombia, Costa Rica, Dominican Republic, French Guiana, Galápagos, Guam, Guyana, Haiti, Honduras, Jamaica, Leeward Is., Mexican Pacific Is., Mexico, Netherlands Antilles, Nicaragua, Palau, Panamá, Paraguay, Peru, Puerto Rico, Southwest Caribbean, Suriname, Trinidad-Tobago, United States, Venezuelan Antilles, Virgin Islands, Windward Is.

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Senna
Species:
Senna obtusifolia
USDA Symbol:
SEOB4

Growth Characteristics

Life Cycle:
Annual | Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
150 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
yellow

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Anabasis ochrodesma, Salt Marsh Moth (Estigmene acrea), Western tussock moth (Orgyia vetusta)

Reported Fauna Sightings

Bees: Common eastern bumble bee (Bombus impatiens) Butterflies:Cloudless Sulphur (Phoebis sennae), Sleepy Orange (Eurema nicippe)

Garden & Ecology Notes

Wildlife Value:
butterflies, 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:
tolerates nutrient-poor conditions

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 optimal germination. Seeds germinate readily in warm conditions after treatment.

The above propagation data sourced from Claude AI