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Osteospermum spp.
Growing calendar
Typical timing for central Japan (Kanto region). Shift it for your own climate, and record your actual dates.
Guides
- Planting Osteospermum: Spacing, Soil and Getting It Established
- Osteospermum Care: Sun, Sharp Drainage and a Hard Cut Each Year
- Why Osteospermum Stops Flowering in Heat and Closes at Night
- Osteospermum Year: What to Do Each Season, From Spring Cut to Cuttings
- Osteospermum Pests and Diseases: Aphids, Crown Rot and Downy Mildew
- Osteospermum Cuttings: Rooting Shoots in Late Summer for Next Year
Common problems
Start from what you can see on the plant.
Pests and diseases (4)
Problems recorded for this plant, most serious first.
Sclerotinia Rot
Disease
The crown, stem or head rots in a water-soaked way and is covered in white cottony mycelium. Black sclerotia later form inside and on the surface, and the plant wilts and dies.
Southern Blight
Disease
The stem rots at soil level and white silky mycelium spreads over the crown and the surrounding soil surface. Brown sclerotia the size of rapeseed then form and the plant wilts and dies rapidly.
Gray Mold
Disease
Water-soaked brown lesions form on flowers, fruit and leaves, densely covered by a fuzzy gray mold. Fruit rots and drops, and decay continues in storage after harvest.
