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The Herbarium

Part I · Medicinal herbs

Herb. No. 115

LegalGentle

Oatstraw

Avena sativa

Poaceae

The same plant as breakfast — milky tops and straw as a traditional nervine food-tea.

Food grain and milky oat / oatstraw tea. Culinary oats are gluten-free by species but often processed with wheat.

Parts used
Milky tops · Straw · Ripe grain as food
Traditional notes
Kitchen porridge · Traditional nervine tea · Itchy-skin baths · Recovery food
Grow · USDA 6b
Cool-season annual Broadcast in early spring, or autumn in mild winters. In work: Mar · Apr · May · Jun · Jul
Harvest
Milky tops when the grain weeps a white latex; straw after; grain when the panicle rattles.
  • A garden strip is a tea crop, not a mill.
  • Cut milky oat in the morning after dew.
  • The rest is porridge.

Safety

Oat allergy Uncertified oats in celiac disease

Lore

Oats fed northern horses and northern people when wheat would not ripen. ‘Sowing wild oats’ was a weed of the wheat field — Avena fatua — before it was a proverb. The milky-oat herbalists of the 19th century were taking the same plant your breakfast came from and catching it a month earlier.

The Herbarium — a teaching catalog, not a clinic. Traditional use is history, not a prescription. USDA 6b dates are a week either way, not a promise. Do not eat, drink, or harvest a plant you cannot name.