White oak
Quercus alba
Acorns are a traditional starch after leaching tannins. White oak group generally has less tannin than red oak group, still usually leached. Not a snack straight off the ground for most palates.

GROW → HARVEST → EAT → DRY → POWDER → CAPSULE → GUMMY — forms are not equivalent. Food first.
Identity
What it is
Acorns are a traditional starch after leaching tannins. White oak group generally has less tannin than red oak group, still usually leached. Not a snack straight off the ground for most palates.
Edible portions
- acorns after leaching tannins
Absence of a portion from this list means it is not treated as food here — not that every other part is toxic.
Growing
- Climate. 3–8
- Light. Full sun
- Soil. Well-drained
- Planting. A large, long-lived tree.
- Harvest. Fall mast. Float test discards weevily nuts (some traditions).
Processing, drying, storage
- Processing. Leaching is the Make step that makes acorns food. Unleached tannic acorns are astringent and hard on the stomach.
Preparation and culinary uses
- Leach, then flour or roast
Next steps
Sources
- USDA PLANTS Database — taxonomy and range (verify current entries)
- No USDA FoodData Central nutrient profile is attached here. That is not a claim that the plant contains no nutrients.
- State cooperative extension growing guides — verify for your region
Honest incompleteness is preferred to fabricated completeness. If a section is missing, no record for it is attached here — not a claim that the plant lacks that characteristic, and not that it was omitted as a secret.
Internal quality class B. Good foundation: enough unique information to exist as its own destination.