How to Grow African Daisy 'Purple Prince'

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African Daisy 'Purple Prince'

Osteospermum ecklonis 'Purple Prince'

flower

African Daisy 'Purple Prince' is a vibrant perennial or tender annual featuring striking deep purple petals with a dark center disc, creating a bold color contrast. This South African native produces abundant daisy-like blooms and is prized for its long flowering season and low-maintenance growing habits. It brings Mediterranean flair to gardens, borders, and containers.

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Example African Daisy 'Purple Prince' timeline · Pittsburgh, PA (Zone 6b)

  1. Plant African Daisy 'Purple Prince'

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First African Daisy 'Purple Prince' blooms

    Around Jun 16

    ≈ 60 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 8+ hours daily; flowers close in shade or overcast conditions
💧
Water: Moderate watering; allow soil to dry between waterings. Once established, drought-tolerant. Reduce watering in winter. Avoid waterlogging, which causes root rot.
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Spacing: 12-18 inches apart inches
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Days to maturity: 60-90 days from transplant to first blooms
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Planting depth: Seeds: surface sow or barely cover; transplants: plant at soil line

Soil

Type: Well-draining sandy or loamy soil
pH: 6.0-7.0
Amendments:
Perlite or coarse sand for drainage Compost for light feeding Avoid heavy clay

Growing Zones

Find your zone →

Thrives in zones 9-11; grown as an annual in cooler zones

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

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Growth Stages

1

Seedling

2-3 weeks

Tiny, delicate seedlings with cotyledons emerging; first true leaves appear small and lobed

Keep soil lightly moist but not waterlogged. Provide bright light. Thin seedlings to prevent damping off.

2

Vegetative Growth

4-6 weeks

Plant develops bushy, compact foliage with lobed, gray-green leaves; no flowers yet

Pinch back growing tips to encourage branching. Water moderately when top inch of soil is dry. Feed lightly with balanced fertilizer every 3-4 weeks.

3

Budding

2-3 weeks

Flower buds form at stem tips; plant appears full and leafy with visible green bud clusters

Maintain consistent watering and sunlight. Cease pinching. Reduce nitrogen fertilizer; apply phosphorus-rich fertilizer to promote blooming.

4

Flowering

8-12 weeks or longer with deadheading

Abundant deep purple daisy flowers with dark central discs open; blooms may close at night or in cloudy weather

Deadhead spent flowers to encourage continuous blooming. Maintain moderate water. Reduce fertilizer during peak bloom. Watch for powdery mildew.

5

Decline & Rest

Ongoing in winter/summer stress

Flowering slows; plant becomes leggy and foliage thins, especially in winter or heat

In mild climates (zones 9+), cut back by half in fall to rejuvenate. Reduce watering and fertilizer. In cold climates, harvest cuttings before frost or treat as annual.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Moisture-loving plants (hostas, ferns) Heavy feeders that compete for nutrients Tall plants that shade the daisy

Common Pests

  • Spray with water to dislodge; use insecticidal soap or neem oil if severe

  • Increase humidity; spray with water or miticide. More common in hot, dry conditions

  • Use yellow sticky traps; spray with insecticidal soap or neem oil

  • Improve air circulation; avoid wetting foliage; apply sulfur or potassium bicarbonate fungicide

  • Improve drainage; reduce watering; remove affected plants; use well-draining soil

Uses

🍳

Edible Garnish

Culinary

African Daisy petals are non-toxic and can be used as an edible garnish for salads, desserts, and specialty dishes, adding vibrant color and a slightly bitter taste. [source]

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Cut Flower Arrangements

Household

The striking purple blooms with contrasting dark centers make excellent cut flowers for arrangements, bouquets, and floral designs, lasting up to 10 days in water. [source]

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Pollinator Support

Wildlife

African Daisy flowers attract bees, butterflies, and other beneficial insects, providing valuable nectar and pollen sources throughout the long blooming season. [source]

🎨

Dried Flower Crafts

Craft

The sturdy petals and distinctive form dry well, making them suitable for pressed flower art, potpourri, and other dried flower craft projects. [source]

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Container & Border Display

Household

Compact growth habit and prolific blooming make 'Purple Prince' ideal for containers, hanging baskets, borders, and cottage garden schemes. [source]

Harvest Tips

Pinch or cut flower stems in early morning when blooms are fully open. Cut just above a leaf node to encourage branching. Flowers last 7-10 days in a vase. Deadhead spent flowers regularly to extend blooming season by 4-6 weeks. In zones 9+, cut back plant by half in late fall to rejuvenate for spring.

Fun Facts

  • 🌱 African Daisies close their flowers at night and on cloudy days—a phenomenon called nyctinasty—to protect pollen and direct insect activity during optimal daylight hours.
  • 🌱 'Purple Prince' was bred for its intensely saturated deep purple color and superior branching habit, making it more floriferous than wild Osteospermum species.
  • 🌱 Despite the name 'African Daisy,' these plants are not true daisies (Asteraceae family members) but are prized for their daisy-like appearance and originate from South Africa's Mediterranean-like climate zones.

Gardening Terms

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

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