How to Grow Clove Basil

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Clove Basil

Ocimum basilicum var. basilicum

herb

Clove basil is an aromatic herb variety with a distinctive warm, clove-like fragrance and slightly spicy flavor. It features dark green leaves and produces delicate purple or white flowers. This culinary herb is prized for its unique flavor profile that blends basil's peppery notes with warm spice undertones.

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

  1. Plant Clove 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 Clove Basil

    Around Jun 16

    ≈ 60 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Clove 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 when top inch of soil is dry. Regular moisture promotes better flavor development.
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Spacing: 12 inches
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Days to maturity: 60-70 days
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Planting depth: 0.25 inches for seeds; set transplants at same depth as nursery pot

Soil

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

Growing Zones

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Thrives in zones 9-11; grown as annual in cooler zones (5-8)

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

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Growth Stages

1

Seedling

2-3 weeks

Tiny oval cotyledons emerge with fine root development; delicate leaves appear.

Keep soil moist; provide bright indirect light; maintain 65-75°F; thin seedlings to one per cell once true leaves appear.

2

Vegetative Growth

3-4 weeks

Plant develops multiple sets of true leaves; stems become more robust; characteristic clove scent becomes noticeable.

Pinch off tips every 2 weeks to encourage bushiness; provide full sun; fertilize every 2-3 weeks with balanced fertilizer; maintain consistent moisture.

3

Flowering

4-6 weeks (ongoing)

Purple, lavender, or white flower spikes develop at stem terminals; blooms attract pollinators.

Pinch off flowers if you prefer tender leafy growth; allow some flowers for seed production or ornamental value; continue regular watering and feeding.

4

Peak Harvest

6-8 weeks

Plant reaches maximum leaf production and fragrance intensity; leaves are full-sized and aromatic.

Harvest regularly by pinching upper 2-3 leaf sets; this encourages more branching and prolongs the harvest season; avoid removing more than one-third of plant at once.

5

Decline (Cool/Cold)

Variable (seasonal)

In fall/winter zones, growth slows as temperatures drop; leaves may brown or become sparse.

In warm zones, continue growing year-round. In cool zones, bring indoors before first frost or harvest heavily before senescence; compost spent plants after first hard freeze.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Rue Fennel Dill Kohlrabi

Common Pests

  • Hand-pick in early morning; use neem oil spray; encourage natural predators like parasitic wasps

  • Spray with insecticidal soap; use yellow sticky traps; spray with neem oil on undersides of leaves

  • Spray with strong water stream; apply insecticidal soap or neem oil; release ladybugs or lacewings

  • Increase humidity by misting; spray with miticide or neem oil; remove heavily infested leaves

  • and

    Hand-pick at night; use copper barriers; apply diatomaceous earth around base; set beer traps

Uses

🍳

Spiced Cooking & Flavoring

Culinary

Use fresh or dried leaves in curries, rice dishes, Southeast Asian cuisine, and spiced teas. The clove-like flavor enhances meat marinades, vegetable stir-fries, and is excellent in Asian fusion cooking where a warm spice note is desired. [source]

🍳

Tea & Beverages

Culinary

Brew fresh or dried leaves into an aromatic herbal tea with warming, spice-forward notes. Mix with other herbs for medicinal tea blends or add to cocktails and non-alcoholic beverages for unique flavor complexity. [source]

💊

Digestive & Anti-inflammatory Support

Medicinal

Traditional herbal medicine values clove basil for supporting digestion and reducing inflammation. The essential oils contain compounds with potential antimicrobial and antioxidant properties. [source]

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Aromatic & Ornamental Use

Craft

Dried clove basil flowers and stems make fragrant additions to potpourri, wreaths, and dried arrangements. The attractive purple or white blooms add visual interest to herb gardens and floral crafts. [source]

🏠

Essential Oil & Fragrance

Household

Clove basil's essential oils can be extracted or used to create natural fragrances, infused oils, and herbal sachets. The warming clove scent provides natural aromatherapy benefits. [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 once plant has 6-8 leaves (about 4-5 weeks after planting). Pinch off the top 2-3 leaf sets regularly to encourage bushiness and prolong productivity. Morning harvest after dew dries provides the most fragrant leaves. For dried use, harvest just before flowering when essential oils are most concentrated. Can be harvested continuously until first frost in cool climates or year-round in warm zones.

Fun Facts

  • 🌱 Clove basil's distinctive clove scent comes from high concentrations of eugenol, the same compound that gives cloves their characteristic flavor—making it unique among basil varieties.
  • 🌱 In traditional Southeast Asian cuisine, clove basil has been used for centuries to add warmth and depth to dishes, particularly in Thai and Indonesian cooking.
  • 🌱 Clove basil is more cold-tolerant than sweet basil and performs better in slightly cooler conditions while maintaining its aromatic properties.

Gardening Terms

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