African Milkweed

Gomphocarpus fruticosus

Native to:
Angola, Botswana, Caprivi Strip, Djibouti, Eritrea, Eswatini, Ethiopia, Kenya, Lesotho, Malawi, Mozambique, Namibia, Oman, Saudi Arabia, Somalia, South Africa, Sudan-South Sudan, Uganda, Yemen, Zambia, Zimbabwe

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Apocynaceae
Genus:
Gomphocarpus
Species:
Gomphocarpus fruticosus
USDA Symbol:
ASFR13

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Subshrub
Height:
200 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug,sep
Bloom Colors:
white, cream

Host Plant for Caterpillars

⚠️Monarch butterfly (Danaus plexippus)

Garden & Ecology Notes

Wildlife Value:
butterflies, bees
Deer Resistant:
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:
native to open, dry grasslands and rocky areas

Propagation & Germination

Stratification:
None required
Germination Time:
14–30 days
Notes:
Seeds germinate readily at 70-75°F without pretreatment. Fresh seed has higher viability.

The above propagation data sourced from Claude AI