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Dahlia variabilis Collarette Dandy |
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Dahlia variabilis Showpiece Mixed Hybrids |
Curvaceous, spiky blooms, huge cut flower source, many fully double and mostly true to type. Superb too in the flower border for late summer/autumn blooms. Flowers late summer/autumn. Height 3-4ft. Planting distance 27 inches.
| Sowing time: | Indoors 8-10 weeks before last spring frost |
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| Sowing depth: | sow 6mm (žin) |
Sow at 21-24C (70-75F) in a good seed sowing mix. Keep soil damp but not wet, sealing in a plastic bag after sowing is helpful. Germination usually takes 7-10 days.
When seedlings are large enough to handle, transplant and grow on in cooler conditions. Gradually acclimatize to outdoor conditions for 10-15 days before planting out after all risk of frost 80cm (27in) apart in a sunny spot on any good moisture retentive soil.