HERB ‘Dark Opal Basil’ Seeds
Botanical Name: Ocimum basilicum var. purpurascens
Dark Opal Basil is a stunning and aromatic annual herb known for its deep purple leaves and vibrant flavor. The leaves are mainly purple with 20% variegated or green; useful for adding colour to salads, garnishes and even cut flower arrangements. With its slightly sweet, spicy taste, Dark Opal Basil is perfect for both culinary use and ornamental purposes.
Plant Type: Annual herb, suitable for full sun.
Plant Height: Grows up to 30 – 45 cm when fully mature.
Sow When:
- Temperate: Spring and Summer (after frost)
- Subtropical: Spring and Summer
- Tropical: All year round
- Arid: Spring and Summer
- Cool: Spring and Summer
Germination: Seeds germinate best when soil temperatures are between 18°C and 25°C. Germination takes 7 – 14 days.
Depth: Sow seeds approximately 5 mm deep in the soil.
Position: Thrives in full sun with moist, well-drained soil.
Sow Where: Directly into garden beds or containers.
Soil Type: Prefers moist, well-drained soil with a pH between 6.0 and 7.5.
Spacing: Space plants approximately 20 – 30 cm apart to allow for proper growth.
Harvest (Herb): Leaves can be harvested 60 – 70 days after sowing. Regular harvesting encourages bushier growth.
Growing Instructions (Microgreens)
- Do not pre-soak seeds.
- Use approximately 10 grams of seeds for a 30 x 35 cm growing tray.
- Add 2 – 3 cm of soil to the tray. Flatten soil and moisten before sowing.
- Sprinkle seeds evenly over the soil surface and lightly cover with soil. Lightly water.
- Cover seeds with a growing tray and store in a well-ventilated, dark spot during germination.
- Water 1 – 2 times daily during germination. Germination time is 7 – 14 days.
- After germination, remove the top tray and expose the plants to indirect light. Continue watering twice daily.
Harvest (Microgreens): 20 – 25 days after sowing. Cut microgreens 1-2 cm above the soil.
