Amberique-Bean

Strophostyles helvola

Native to:
Canada, United States, Virgin Islands

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Strophostyles
Species:
Strophostyles helvola
USDA Symbol:
STHE9

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb , Vine
Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jul,aug,sep
Bloom Colors:
pink, purple

Wildlife Benefits

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

Host Plant for Caterpillars

Spotted Apatelodes (Apatelodes torrefacta), Southern Cloudywing (Thorybes bathyllus)

Garden & Ecology Notes

Wildlife Value:
birds, butterflies, small mammals
Salt Tolerant:
Yes

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:
thrives in disturbed areas and coastal dunes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–30 days
Notes:
Seeds benefit from scarification (nicking or hot water treatment) followed by cold stratification for 30-60 days to break dormancy.

Where to Buy

Nationwide Seller