Evening Primrose  (Oenothera missouriensis) seed Evening Primrose (Oenothera missouriensis) seed  Ref: 228
Seeds per packet (approx.): 40
Optimum Germination Temp: 22°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: 30cm
Sun / Shade: sun
Flowering start: June
Flowering end: September
Height: 30cm