Overview
Osteospermum 'Sunny Martha' (Sunny Series) is a bushy herbaceous perennial in the genus Osteospermum, part of the Asteraceae family, with evergreen foliage. Osteospermum 'Sunny Martha' (Sunny Series) grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H3. Suggested uses include coastal, gravel garden, patio and container plants, city and courtyard gardens, cottage and informal garden, mediterranean climate plants and flower borders and beds.
About
Osteospermum 'Sunny Martha' (Sunny Series) is a bushy, herbaceous perennial belonging to the genus Osteospermum, known for its aromatic, evergreen foliage and daisy-like blooms that last from late spring through summer. This cultivar thrives in full sun with a south- or west-facing aspect and prefers sheltered locations with well-drained, fertile soils such as chalk, loam, or sand. Hardy to UK zone H3, it is suitable for a variety of garden settings including coastal, gravel, patio, city, cottage, and Mediterranean-style gardens. Propagation is best achieved through softwood cuttings in late spring or semi-hardwood cuttings in late summer.
About the genus
Osteospermum, is a genus of flowering plants belonging to the Calenduleae, one of the smaller tribes of the sunflower/daisy family Asteraceae. They are known as the daisybushes or African daisies. Its species have been given several common names, including African daisy, South African daisy, Cape daisy and blue-eyed daisy.
Wikipedia contributors, "Osteospermum", CC BY-SA 4.0 — Osteospermum
Growing conditions
Best soil and position for Osteospermum
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
Osteospermum 'Sunny Martha' (Sunny Series) size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Evergreen
- Suggested uses
- Coastal, Gravel garden, Patio and container plants, City and courtyard gardens, Cottage and informal garden, Mediterranean climate plants, Flower borders and beds
Care notes
Pruning and caring for Osteospermum 'Sunny Martha' (Sunny Series)
- Propagation
- Softwood cuttings in late spring, Semi-hardwood cuttings in late summer
- Pest resistance
- Aphids
- Disease resistance
- Downy mildews, Verticillium wilt
Frequently asked questions
Where is the best place to plant Osteospermum 'Sunny Martha' (Sunny Series)?
Osteospermum 'Sunny Martha' (Sunny Series) prefers full sun. It suits sheltered positions.
What soil does Osteospermum 'Sunny Martha' (Sunny Series) need?
Osteospermum 'Sunny Martha' (Sunny Series) is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Osteospermum 'Sunny Martha' (Sunny Series) hardy in the UK?
Osteospermum 'Sunny Martha' (Sunny Series) has an RHS hardiness rating of H3, meaning it is half-hardy, tolerating -5 to 1°C, and may need winter protection in colder areas.
How do I propagate Osteospermum 'Sunny Martha' (Sunny Series)?
Softwood cuttings in late spring, Semi-hardwood cuttings in late summer.
More in the Osteospermum genus
- Osteospermum jucundum 'Compactum'African Daisy

- Osteospermum 'Gold Sparkler' (v)
- Osteospermum 'Lusaka' (Cape Daisy Series)
- Osteospermum 'Sunny Cambria' (Sunny Series)