Hawai'Ian Cotton

Gossypium tomentosum

Native to:
Hawaii, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Malvaceae
Genus:
Gossypium
Species:
Gossypium tomentosum
USDA Symbol:
GOTO

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
300 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Colors:
yellow
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Garden & Ecology Notes

Wildlife Value:
birds, bees
Salt Tolerant:
Yes

Soil Requirements

Soil Type:
sandy, nutrient-poor, well-drained
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to coastal regions of Hawaii

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
7–21 days
Notes:
Seed coat is hard; mechanical scarification or hot water treatment improves germination rates significantly.

The above propagation data sourced from Claude AI