Kauai Jackbean

Canavalia kauaiensis

Native to:
Hawaii, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Canavalia
Species:
Canavalia kauaiensis
USDA Symbol:
CAKA3

Growth Characteristics

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

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Garden & Ecology Notes

Wildlife Value:
bees, native pollinators
Deer Resistant:
Yes
Salt Tolerant:
Yes

Soil Requirements

Soil Type:
rich, well-drained volcanic soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to Hawaiian islands, prefers volcanic soils

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
7–21 days
Notes:
Scarification of hard seed coat improves germination. Seeds may be nicked or soaked in warm water for 24 hours before planting.

The above propagation data sourced from Claude AI