How to Grow Purple Ruffles Basil

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Purple Ruffles Basil

Ocimum basilicum 'Purple Ruffles'

herb

Purple Ruffles is an ornamental basil variety with deep purple foliage and attractive ruffled leaf edges. It offers a milder flavor than green basil with subtle anise and clove notes, making it both decorative and culinary. This compact, bushy plant is excellent for container gardening and landscape borders.

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Example Purple Ruffles Basil timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Purple Ruffles Basil

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Purple Ruffles Basil

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Purple Ruffles Basil dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily (8+ hours preferred for best color)
💧
Water: Keep soil consistently moist but not waterlogged. Water deeply when top inch of soil is dry. More frequent watering needed in containers and hot weather.
📏
Spacing: 9 inches
📅
Days to maturity: 60-70 days from seedling to first harvest
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Planting depth: 1/4 inch for seeds; transplants at soil line

Soil

Type: Well-draining loamy soil
pH: 6.0-7.0
Amendments:
Compost peat moss perlite for drainage

Growing Zones

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Thrives in zones 3-10 as an annual; grows year-round in zones 10+

2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b

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Growth Stages

1

Germination & Seedling

2-3 weeks

Tiny cotyledons emerge within 5-10 days. First true leaves develop, showing initial purple coloring.

Keep soil warm (70-75°F) and consistently moist. Provide bright light immediately after sprouting. Thin seedlings to prevent damping off.

2

Vegetative Growth

3-4 weeks

Plant develops multiple sets of true leaves with characteristic ruffled edges and deepening purple color. Bushy growth begins.

Pinch off top growth when plant reaches 6 inches to encourage branching. Feed with balanced liquid fertilizer every 2 weeks. Maintain consistent moisture.

3

Flowering

Ongoing from week 8+

Purple-pink flower spikes emerge at branch tips. Flowers are attractive but drain plant energy if not harvested.

Pinch off flower buds promptly to extend leaf production and flavor. If allowing flowers for ornament or pollinators, reduce watering slightly.

4

Mature Harvest

4-8 weeks or until frost

Plant is full, bushy, and at peak leaf production. Purple foliage is vibrant and ruffles are most pronounced.

Begin regular harvesting from top to maintain shape. Remove leaves from top down, leaving lower stems intact for regrowth.

5

Senescence

Until first frost or end of season

Plant slows growth as temperatures cool or in response to stress. Leaves may become less tender.

Harvest heavily before frost. In cold climates, pull plant before first freeze. In warm zones, plant may persist as a tender perennial.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Rue Sage (in same pot) Fennel

Common Pests

  • Hand-pick in early morning; use neem oil spray; plant in shadier location if severe

  • Increase humidity; spray with water; use insecticidal soap or neem oil

  • Remove damaged leaves; use sticky blue traps; apply neem oil weekly

  • Use yellow sticky traps; spray with insecticidal soap; encourage beneficial insects

  • Handpick; use copper tape around containers; beer traps; remove mulch near plants

Uses

🍳

Ornamental Garnish & Salads

Culinary

The striking purple ruffled leaves add visual appeal to salads, cocktails, and plated dishes. The milder flavor profile works well in vinaigrettes and as a fresh herb salad component. [source]

🍳

Herbal Infusions & Teas

Culinary

Fresh or dried purple basil leaves steep into aromatic teas with subtle anise and clove undertones. The infusion promotes digestion and relaxation. [source]

💊

Anti-inflammatory & Antioxidant Properties

Medicinal

Purple basil contains anthocyanins and other phenolic compounds with antioxidant and anti-inflammatory effects. Traditional herbalists use basil tea to reduce inflammation and support immune function. [source]

🏠

Fresh Arrangements & Décor

Household

The ornamental purple foliage and delicate flowers make Purple Ruffles ideal for fresh flower and herb arrangements, garden borders, and container displays. [source]

🎨

Dried Herb & Potpourri

Craft

Dried purple basil leaves retain their color and fragrance, making them suitable for dried arrangements, potpourri blends, and herbal crafts. [source]

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

Harvest Tips

Begin harvesting when plant is 6-8 inches tall by pinching off top leaves. Harvest regularly and frequently to encourage bushiness and prevent flowering. Pick leaves in morning after dew dries for best flavor. Remove upper 1/4 of growth at each harvest. Plant produces best from early summer through fall.

Fun Facts

  • 🌱 Purple Ruffles basil owes its deep color to high concentrations of anthocyanins—the same compounds that make blueberries blue and red wine red.
  • 🌱 Basil is native to tropical regions of central Africa and Southeast Asia, which is why it thrives in warm weather and hates cold temperatures.
  • 🌱 The ruffled leaf variety was developed in the 1980s and has become one of the most popular ornamental basils for both home gardeners and professional landscapers.

Gardening Terms

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

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