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Delphinium grandiflorum

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Ranunculaceae, perennial, for flower pots as annual, blossoming plants sale in IV-VII, sowing 1,500 seeds per 1,000 plants, XII-V, slightly cover with vermiculite, germination 14-18 days at 20-22 °C, later 13-17 °C, planting after 6-8 weeks into 9-16 cm flower pots, no need a low temperature period, cultivation temperatures 13-16 °C, at short daytime and temperature below 13 °C it develops only a leaf rosette and does not blossom, cultivation period 16-20 weeks, wintering plants - sowing in mid VIII to mid IX, winter in greenhouse at 3-5°C, in spring at 15-20°C they grow after 8-10 weeks, when wintered outdoors, cover with unwoven fabric and limit watering.

Summer series varieties are very attractive for their low compact growth (30 cm) and mainly large blossom in beautiful colour tones. Tolerates high temperatures better than other varieties. Intended mainly for production of blooming plants in larger flower pots (14-20 cm).

  

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Delphinium grand.Summer Stars 250 seeds Delphinium grand. Summer Stars 250 seeds Art.No.: 003490
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