How to Grow Atropurpurea Nana Basil

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Atropurpurea Nana Basil

Ocimum basilicum var. atropurpureum 'Nana'

herb

A compact, dwarf variety of purple basil with deep burgundy foliage and a naturally bushy, mounded growth habit. This ornamental culinary herb grows only 12-18 inches tall, making it ideal for containers, small gardens, and borders. It produces delicate pink or light purple flowers and offers a mild, slightly peppery basil flavor with subtle notes of anise.

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Example Atropurpurea Nana Basil timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Atropurpurea Nana 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 Atropurpurea Nana Basil

    Around Jun 6

    ≈ 50 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily (tolerates partial shade in hot climates)
💧
Water: Keep soil consistently moist but not waterlogged. Water deeply when top inch of soil is dry. Increase frequency in hot weather. Prefer morning watering to reduce disease risk.
📏
Spacing: 10 inches
📅
Days to maturity: 50-70 days
🌱
Planting depth: ¼ inch for seeds; plant transplants at same depth as nursery pot

Soil

Type: Well-draining, fertile loamy soil
pH: 6.0-7.0
Amendments:
Compost Peat moss or coconut coir Perlite for drainage Aged manure

Growing Zones

Find your zone →

Thrives in zones 10-11; grown as an annual in zones 3-9

10a 10b 11a 11b

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Growth Stages

1

Seedling

2-3 weeks

Small plants with first true leaves emerging, 1-2 inches tall with characteristic purple-tinted cotyledons

Maintain warm temperatures (70-75°F), high humidity, and consistent moisture. Provide bright indirect light. Thin seedlings to proper spacing once first true leaves appear.

2

Vegetative Growth

3-4 weeks

Compact, bushy plant with multiple stems and abundant deep purple leaves, 4-10 inches tall

Pinch growing tips regularly to promote bushiness and prevent early flowering. Remove any flower buds that appear to extend vegetative stage. Fertilize every 2-3 weeks with balanced fertilizer.

3

Flowering

4-8 weeks

Plant produces delicate spikes of small pink or light purple flowers among the foliage

Pinch off flower buds if you prefer tender leaves; allow flowering to continue for ornamental value and pollinator attraction. Flowering signals plant is approaching maturity.

4

Seed Production

3-4 weeks

Flowers fade and develop small, round black seeds in papery sepals

Allow flowers to fully mature if collecting seeds. Stop harvesting leaves to direct energy to seed development. Seeds mature about 3-4 weeks after flowering begins.

5

Decline

End of growing season

Plant becomes woody and less productive, particularly in cooler climates as temperatures drop

Annual frost will kill plants in zones below 10. In warm zones, replace after 4-5 months of growth for best leaf quality. Compost spent plants.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Rue Kochia

Common Pests

  • Hand-pick early morning; use neem oil spray; encourage natural predators like birds

  • Increase humidity; spray leaves with water; use insecticidal soap; neem oil for severe infestations

  • Remove affected leaves; spray with neem oil or insecticidal soap; use blue sticky traps

  • Yellow sticky traps; spray undersides of leaves with neem oil or horticultural soap

  • and

    Hand-pick; use copper tape around containers; beer traps; diatomaceous earth barriers

  • Plant resistant varieties; ensure good drainage; remove infected plants; avoid overhead watering; sanitize tools

Uses

🍳

Fresh Cooking & Pesto

Culinary

Atropurpurea Nana leaves are used fresh in salads, pasta dishes, and sauces, though with milder flavor than green basil. The distinctive purple color makes it visually striking for garnishes and upscale plating. [source]

🍳

Infusions & Flavored Oils

Culinary

Purple basil leaves can be infused into vinegars, oils, and syrups, imparting a subtle anise-peppery flavor and striking purple hue. The compact plants make them ideal for home-scale preservation projects. [source]

💊

Traditional Herbal Remedy

Medicinal

Basil contains compounds with potential antimicrobial and anti-inflammatory properties. Traditionally used as a tea for digestive support and mild respiratory health, though scientific evidence is limited. [source]

🌿

Container & Border Plantings

Ornamental

The dwarf, compact form and deep purple foliage make this variety ideal for ornamental containers, herb gardens, and decorative borders where both visual appeal and culinary utility are desired. [source]

🦋

Pollinator Support

Wildlife

The pink and purple flowers attract bees, butterflies, and other beneficial insects, making this variety valuable for pollinator-friendly gardens despite its culinary purpose. [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 pinching leaves once plant has 6-8 true leaves. Harvest from the top 2-3 inches of stems, always pinching above leaf nodes to encourage branching. Pick leaves in early morning after dew dries for best flavor and fragrance. Frequent harvesting (every 2-3 days) promotes bushier growth and delays flowering. Use leaves fresh or dry immediately for preservation. A mature plant can yield continuously for 3-4 months with regular harvesting.

Fun Facts

  • 🌱 Atropurpurea Nana is derived from the Latin 'atro' (dark) and 'purpureus' (purple), accurately describing its striking deep burgundy foliage that intensifies in full sun.
  • 🌱 Purple basil varieties contain anthocyanins, the same pigments responsible for the color in blueberries and red cabbage, which are being studied for potential antioxidant properties.
  • 🌱 The compact 'Nana' dwarf form was developed specifically for container growing and small-space gardens, making it one of the most space-efficient culinary herbs for apartment gardeners and window sills.

Gardening Terms

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

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