Lemonyellow Rosemallow

Hibiscus calyphyllus

Native to:
Angola, Botswana, Burundi, DR Congo, Eritrea, Eswatini, Ethiopia, Kenya, Madagascar, Malawi, Mauritius, Mozambique, Namibia, Réunion, Rwanda, Saudi Arabia, South Africa, Sudan-South Sudan, Tanzania, Uganda, Zambia, Zimbabwe

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Malvaceae
Genus:
Hibiscus
Species:
Hibiscus calyphyllus
USDA Symbol:
HICA6

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Subshrub , Tree
Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep,oct
Bloom Colors:
yellow
Landscaping Shrub:
Yes

Keystone Species Ranking

Caterpillar Keystone:
★★★☆☆ Butterfly & moth species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, hummingbirds

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
native to tropical regions, prefers fertile soil

Propagation & Germination

Stratification:
None required
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–30 days
Notes:
Scarification or soaking seeds in warm water for 24 hours improves germination. Requires warm temperatures (70-85°F) for best results.

The above propagation data sourced from Claude AI