Hardy Edibles

Fagaceae

English oak

Quercus robur

English oak

Photo: Unknown — CC BY-SA 3.0 · source

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Survives zone 4 through 8

Acorns edible after leaching out bitter tannins, ground into flour or roasted — moderate tannin, needs thorough leaching.

Hardiness
Zone 4 to 8
Habit
Tree
Edible part
Fruit
Ripens
Sept–Oct
Mature size
Large tree — NOT containerable
Light
Full sun — acorn masting needs a sunlit crown
Soil pH
Castanea 4.5–6.5 — ⚠ LIME-INTOLERANT (calcifuge, unlike other nut trees). Quercus/Fagus 5.0–6.5
Environment
Temperate woodland
Status
Both wild and cultivated
Years to fruit
3–5 yrs grafted
Pollination
Wind-pollinated, monoecious; masting