The spinach variety Gammason is developed from bred Gamma. Slow growing, therefore also suited for later spring production. Smooth, round and very dark leaves.
Planting Calendar
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Direct sowing outdoor
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Cultivation for Spinach
Amount of seed needed: leaf spinach: 300-400 g/a; 60-80 seeds per running meter
spinach heads: 150-200 g/a; ca. 30-50 seeds per running meter
Planting distance: between rows ca. 30 cmOptimal amount of plants: leaf spinach 160-220 plants/m²
spinach heads 80-140 plants/m²
Sowing depth: ca. 3 cm
bred by
Sebastian Vornhecke
Current breeding location: Vatterode, Thüringen
Biodynamically bred varieties from Sebastian Vornhecke:
Since 1995, Tom Saat has operated his mixed farm according to Demeter standards in the Flevopolder, Netherlands.
Organic100 % organic & GMO-free
Diverse100 % open-pollinated seeds
ReliableHigh quality & customer satisfaction
Free shippingSeeds within Germany until 13 April 2026*
Organic100 % GMO-free
FairCollaborative network with breeding and propagation
DynamicDiversity of 100 % open-pollinated varieties
Sow variety, save shipping costs! To celebrate the start of the outdoor season, we are offering free delivery on seeds, books, and tools within Germany until 13 April 2026.
Save shipping costs! We are offering free delivery on seeds, books, and tools within Germany until 13 April 2026.