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Delphinium Belladonna Sky Blue is a cool-season perennial cut flower with elegant sky-blue stems for greenhouse, field or garden production.
Quick Grow Facts
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Plant Type: Cool-season perennial cut flower, often grown as an annual or biennial crop.
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Scientific Name: Delphinium x belladonna
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General Sowing Time: Autumn to early winter in cool areas; late winter in colder gardens where frost is severe.
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Position: Full sun in cool conditions; morning sun and afternoon shade in hot regions.
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Sow Depth: Cover seed lightly, about 3 mm.
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Spacing: 30-45 cm apart.
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Germination: About 7-21 days in cool, suitable seed-starting conditions.
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Height: About 75-90 cm for Belladonna-type delphiniums; support stems in exposed sites.
Why Grow This Variety
- Sky-blue stems are useful for cut flowers and cottage gardens.
- The crop suits greenhouse, field or garden production.
- Open Belladonna growth adds delicate vertical movement.
- The soft blue colour combines with white, apricot, lavender and pink flowers.
Garden Uses
Grow Delphinium Belladonna Sky Blue in cool-season cutting rows, cottage borders or protected beds for arrangements and vertical colour.
Growing Notes
- Use rich, humus-rich, well-drained soil with regular moisture.
- Provide airflow and avoid waterlogged crowns.
- Stake flower stems where wind or heavy rain may bend them.
- Keep delphinium away from people, pets and livestock because it is poisonous if eaten.
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