// SPECIES PROFILE · FOOD CROP · CULTIVATED
Spinach (Spinacia oleracea) is a cultivated annual food crop grown for its edible leaf. Family: Amaranthaceae (amaranth family). Originally from Central & Western Asia. Grown as an annual in zones 3a–11a. Mature size 6"–1'. Harvest in northeastern Oklahoma: Mar–May and Oct–Dec.

[ growing · ecology · siting · care ]
Spinach (Spinacia oleracea) is a cultivated annual food crop grown for its edible leaf. Family: Amaranthaceae (amaranth family). Originally from Central & Western Asia. Grown as an annual in zones 3a–11a. Mature size 6"–1'. Harvest in northeastern Oklahoma: Mar–May and Oct–Dec.
Why it's on this list: cold-hardy leafy green · overwinters under row cover · spring & fall crop. A cultivated food crop — not a native — grown alongside regional natives in Rooted Revival's kitchen-garden and food-forest designs. Harvest windows are for northeastern Oklahoma (USDA zone 7a).
[ guild · polyculture · cross-layer pairings ]
In a kitchen garden or food-forest guild, spinach pairs well with: Garden Pea (Pisum sativum), Radish (Raphanus sativus), Lettuce (Lactuca sativa), Onion (Allium cepa).