How to Grow South African Daisy

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South African Daisy

Osteospermum ecklonis

flower

South African Daisy is a vibrant perennial flowering plant native to South Africa, featuring cheerful daisy-like blooms in shades of purple, pink, yellow, white, and orange. It thrives in cool to moderate climates and produces masses of flowers that close at night or in cloudy weather. This plant is prized for its long blooming season, low maintenance requirements, and stunning visual appeal in gardens and containers.

When should you plant South African Daisy in your zone?

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Example South African Daisy timeline · Pittsburgh, PA (Zone 6b)

  1. Plant South African Daisy

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First South African Daisy blooms

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact South African Daisy dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily; performs best with maximum sunlight
💧
Water: Water moderately during growing season; allow soil to dry between waterings. Drought tolerant once established. Reduce watering in winter. Overwatering causes root rot.
📏
Spacing: 12 inches
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Days to maturity: 60-90 days from transplant to first blooms
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Planting depth: Surface sow seeds; barely cover or press lightly into soil. Transplants should be planted at soil level.

Soil

Type: Well-draining sandy loam or cactus mix
pH: 6.0-7.5
Amendments:
Perlite or coarse sand for drainage Compost for organic matter Avoid heavy clay soils

Growing Zones

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Thrives in zones 9-11; can be grown as annual in cooler zones

9a 9b 10a 10b 11a 11b

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Growth Stages

1

Seedling

2-3 weeks

Tiny seedlings emerge with cotyledons (seed leaves), developing first true leaves within 1-2 weeks.

Keep soil moist but not waterlogged. Provide bright light immediately. Maintain temperatures around 65-70°F. Thin seedlings to prevent overcrowding.

2

Vegetative Growth

4-6 weeks

Plant develops bushy foliage with multiple stems and feathery leaves. Grows rapidly under good light conditions.

Pinch back growing tips to encourage bushier growth and more flower buds. Water when top inch of soil is dry. Fertilize weekly with balanced or slightly phosphorus-rich fertilizer.

3

Budding

2-3 weeks

Flower buds begin forming at stem tips, appearing as small green nodules that gradually enlarge.

Continue regular watering and feeding. Ensure full sun exposure. Remove any dead or diseased foliage. Support tall varieties if needed.

4

Flowering

8-12 weeks (can be continuous in optimal conditions)

Blooms open in daisy-like form with rays surrounding a central disk. Flowers open in morning light and may close in afternoon or clouds.

Deadhead spent flowers regularly to extend blooming. Continue moderate watering. Reduce feeding frequency. Watch for pests attracted to flowers.

5

Decline/Dormancy

2-4 months depending on climate

Flowering slows in hot summer months or with cooler fall/winter temperatures. Plant may go semi-dormant.

Drastically reduce watering during dormancy. Cut back plant by one-third to one-half to rejuvenate. Move container-grown plants to cool location if possible. Resume feeding when growth resumes.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Heavy nitrogen feeders that compete for nutrients Plants requiring consistent moisture Tall plants that shade delicate daisies

Common Pests

  • Spray with insecticidal soap or horticultural oil; ensure good air circulation; use yellow sticky traps

  • Spray with water stream to dislodge; use neem oil or insecticidal soap; introduce ladybugs

  • Increase humidity; spray with water; use neem oil or miticide if severe; ensure adequate air flow

  • Remove affected leaves; improve plant vigor; use spinosad if infestation is severe

  • Improve drainage immediately; reduce watering; remove affected plant tissue; repot in fresh soil if possible

Uses

🍳

Edible Flowers

Culinary

South African Daisy petals are edible and can be used as colorful garnishes for salads, desserts, and beverages. They add a slightly peppery or mild flavor with visual appeal to dishes. [source]

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Cut Flowers & Arrangements

Household

Excellent cut flower for fresh arrangements lasting 5-7 days in water. The blooms' color variety and daisy form make them versatile for floral designs. [source]

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Container & Landscape Ornament

Household

Perfect for decorative containers, hanging baskets, window boxes, and border plantings. Provides long-season color from spring through fall in cool climates. [source]

🦋

Pollinator Support

Wildlife

Attracts bees, butterflies, and other beneficial insects that feed on pollen and nectar, supporting local pollinator populations. [source]

💊

Traditional Medicine

Medicinal

Used in South African traditional medicine; some herbalists believe it has anti-inflammatory and antimicrobial properties, though scientific evidence is limited. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Deadhead spent blooms regularly by pinching or cutting just below the flower head to encourage continuous flowering. Cut flowers for arrangements in early morning when they are fully open. Cut stems back by one-third in midsummer if plants become leggy. In mild climates, plants may bloom nearly year-round with proper care.

Fun Facts

  • 🌱 South African Daisies are heliotropic, meaning their flowers follow the sun throughout the day and close at night—this behavior is called nyctinasty.
  • 🌱 The genus name 'Osteospermum' comes from Greek words meaning 'bone seed,' referring to the hard, bone-like appearance of the seeds.
  • 🌱 These flowers thrive in cool seasons (spring and fall) and often stop blooming during hot summers, making them ideal for Mediterranean and temperate climates where they prefer temperatures between 60-70°F.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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