Boxwood Basil (Ocimum basilicum 'Boxwood')

Boxwood Basil

Ocimum basilicum 'Boxwood'

Tiny, dense foliage mimics boxwood, a compact culinary herb. Low-growing aromatic annual; common name: Boxwood Basil.

Full sun
2–3/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; at least 6 hours of direct sunlight daily to maintain dense, compact growth
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Watering Water when the top 1–2 cm of soil feels dry; avoid overwatering to prevent root rot
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Temperature Thrives in warm temperatures; protect from frost, as it is frost-tender and will die back in cold conditions
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Characteristics

  • Leaf: Small, oval, glossy green leaves tightly packed along stems
  • Stem: Short, branching stems forming dense, rounded mounds
  • Flower: Small white spiky inflorescences; rarely produced with frequent pruning
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Care Guide

Watering

Keep soil consistently moist but not waterlogged to support active growth

Fertilization

Diluted balanced liquid fertilizer every 2 weeks. Discontinue fertilizing in late summer as growth slows to prepare for dormancy

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle lightly on soil surface and water in to boost soil calcium levels and prevent blossom end rot
Pruning
  • Pinch back stem tips regularly to encourage branching and maintain compact, rounded shape
  • Remove any yellowing or damaged leaves to improve airflow and reduce pest risk
  • Trim off emerging flower buds immediately to preserve foliage density and aromatic flavor
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: Non-toxic to humans; safe for culinary use

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Garden Uses & Culture

Culture: N/A

Usage: Culinary herb for pesto, salads, and garnishes; compact ornamental for small container displays