Sweet William Mixture (Dianthus barbatus) seed Sweet William Mixture (Dianthus barbatus) seed  Ref: 211
Seeds per packet (approx.): 285
Optimum Germination Temp: 20°C
Sowing Depth: 0.3cm
Greenhouse - earliest: May
Greenhouse - latest: June
Garden - earliest: May
Garden - latest: June
Field Sowing: May - June
Transplant to Garden: August - September
Planting Separation: 30cm
Sun / Shade: shade
Flowering start: June
Flowering end: August
Height: 40 - 50cm