Basil 'Dark Opal' | Ocimum basilicum ‘Dark Opal’ | Culinary & Ornamental | Non-GMO | 100 Seeds

Basil Dark Opal – Striking Purple Heirloom | Culinary & Ornamental | Non-GMO – 100 Seeds

A beautiful blend of form and function, Basil ‘Dark Opal’ is a deep purple heirloom variety with lush, aromatic leaves and lavender flower spikes. Its mildly spicy, anise-like flavor makes it perfect for salads, vinegars, and garnishes—while its rich color adds drama to borders, herb gardens, and container plantings.

‘Dark Opal’ isn't just ornamental—it’s edible, aromatic, and a pollinator favorite. The vivid foliage contrasts beautifully with green herbs and vegetables, making it a standout choice for gardeners who appreciate both beauty and flavor.

Seed Packet Info:

• Botanical Name: Ocimum basilicum ‘Dark Opal’

• Skill Level: Easy – Grows quickly and thrives in warm, sunny spots

• Pollinator Friendly:
  • Attracts bees and beneficial insects
  • Pairs well with companion plants like tomatoes and peppers

Planting & Care:

• Light: Full sun

• Plant Height: 12–18 inches

• Spacing: 10–12" apart

• Watering: Water consistently; avoid letting soil dry out completely

• Soil: Well-draining, rich in organic matter

• Frost Sensitivity: Tender annual – plant after last frost

To Start:

• Zones 3–6: Start indoors 6–8 weeks before last frost; transplant when soil warms

• Zones 7–10: Direct sow or transplant after last frost

• Zones 11–12: Grow nearly year-round in warm climates with occasional shade in extreme heat

Sow seeds 1/4 inch deep. Thin to strongest seedlings. Pinch back regularly for bushier plants and more leaf production.