Annuals | Perennials | Vegetables | Herbs | Home  Delphinium x cultorum Tall Black Knight 1 packet (100 seeds) @ $2.95 Catalog Code: 4219 Sorry, currently out of stock Delphinium x cultorum Tall Black Knight Hardy Perennial - Flowers: Summer
- Position: Full sun
- Soil: Well drained
- Height: 5 feet
- Germination: Experience Useful
- Aftercare: Easy
- Special Features: Flowers in first year
- Ideal for: Border, Cut Flower
Description Tall, robust, candle-like flower spikes packing with attractive, deep blue blooms, each complemented by a striking large black bee in the centre. A stunning addition to any border. Height 120-150cm (4-5ft). Sowing Instructions | Sowing time: | February to June or September to October. |
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Sow seed on the surface of lightly firmed, moist seed compost in pots or trays. Cover with a fine sprinkling of compost or vermiculite. Keep at a temperature of between 10-15C (50-59F). After sowing, do not exclude light as this helps germination. Keep the surface of the compost moist but not waterlogged; germination can take 21-40 days. When large enough to handle, transplant seedlings into 7.5cm (3in) pots or trays. Growing Instructions Gradually acclimatise plants to cooler conditions for a few weeks before planting out after all risk of frost,60cm (24in) apart. Aftercare Instructions For best results, provide a sunny, sheltered site and a deep, fertile, well-drained soil. Caution Harmful if eaten.
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