Growing Guide
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Annual Flower

Also known as African Daisy, Cape Marigold
Osteospermum ecklonis
Asteraceae Family
Synonym: Dimorphotheca ecklonis

Perfect for adding banks of color to gardens or naturalistic settings, Osteospermum has substantial foliage and daisy-like flowers in shades of pink, purple, blue, or white. The flowers are prominent, 2 to 3 inches in diameter with dark-blue centers and an almost waxy appearance. Plants need good drainage and don't do well in high humidity.

Site Characteristics
  • full sun

Soil conditions:

  • tolerates droughty soil
  • requires well-drained soil
  • tolerates low fertility

Special locations:

  • outdoor containers
Plant Traits

Lifecycle: annual

Ease-of-care: moderately difficult

Height: 2 to 5 feet

var. prostratum grows to just 6".

Spread: 2 to 4 feet

Bloom time:

  • mid-summer
  • late summer
  • early fall
  • mid-fall

Flower color:

  • yellow
  • blue
  • violet
  • white
  • pink

Flowers have blue centers with petals in various shades of these colors.

Foliage color: dark green

Foliage texture: medium

Shape: upright

Shape in flower: same as above

Special Considerations
  • frost
  • heat
Special characteristics:
  • deer resistant
  • non-aggressive
  • non-invasive
  • not native to North America - Native to Africa.
Special uses:
  • cut flowers
Growing Information
How to plant:

Propagate by seed - Start seeds indoors 6 to 8 weeks before the last spring frost.

Germination temperature: 60 F to 65 F

Days to emergence: 14

Maintenance and care:
May be slow to start blooming. Deadhead to prolong flowering. Keep water off of the leaves to prevent fungal disease.

More growing information: How to Grow Annuals

Foliar fungal diseases
When choosing varieties, look for different flower colors. Some varieties are spreading and suitable for hanging baskets.

var. prostratum: grows just 6 inches tall with 2-foot spread.

'Blue Streak': white rays (blue on the back) with blue center.

'Silver Sparkler': yellow leaf edges.