Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Osteospermum

Species:

Osteospermum calendulaceum

USDA Symbol:

OSCA

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

60 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug,sep,oct

Bloom Colors:

yellow, orange

Garden & Ecology Notes

Wildlife Value:

butterflies, bees

Deer Resistant:

Yes

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to rocky, arid regions

Propagation & Germination

Stratification:

None required

Germination Time:

10–21 days

Notes:

Seeds germinate readily at 18-20°C with light. No pretreatment required.

The above propagation data sourced from Claude AI