Delphinium Mixture (Delphinium x cultorum) seed Delphinium Mixture (Delphinium x cultorum) seed  Ref: 210
Seeds per packet (approx.): 135
Optimum Germination Temp: 11°C
Sowing Depth: 0.5cm
Greenhouse - earliest: May
Greenhouse - latest: June
Garden - earliest: May
Garden - latest: June
Field Sowing: May - June
Transplant to Garden: August - September
Planting Separation: 50cm
Sun / Shade: sun
Flowering start: June
Flowering end: September
Height: 100 - 150cm