Oats

Avena sativa, Poaceae

Zones

2a–10b

Layer

Herbaceous

Lifespan

Annual

Growth

Fast

Guild Roles

Mulch Maker

Growing Conditions

Sun

Full Sun (optimal)

Water

ModerateModerate

Soil pH

5.5 – 7

Tolerances

Drought

Frost

Heat

Pest Resistance

Disease Resist.

Companion Plants

Sweet CloverMelilotus officinalis

Nitrogen Fixation

PhaceliaPhacelia tanacetifolia

Pollinator SharingBeneficial Insect Habitat

BuckwheatFagopyrum esculentum

Pollinator SharingNutrient Accumulation

FenugreekTrigonella foenum-graecum

Nitrogen Fixation

Blue StarAmsonia tabernaemontana

Beneficial Insect HabitatWind Protection

Antagonistic Plants

Winter RyeSecale cereale

Winter rye produces allelopathic compounds that can suppress oat growth when grown in close proximity or in rotation

BarleyHordeum vulgare

Barley and oats compete intensely for soil nutrients and barley can produce mild allelopathic effects on oat germination

White MustardSinapis alba

Brassica residues from white mustard can inhibit oat growth through glucosinolate breakdown products

Japanese MilletEchinochloa esculenta

Both grasses compete intensively for nutrients, water, and light in temperate zones

Uses

Functions

FoodSoil Building

Edible Parts

Seeds

Common Questions

What zones does Oats grow in?

Oats grows in USDA hardiness zones 2a through 10b.

What are good companion plants for Oats?

Good companions for Oats include Sweet Clover, Phacelia, Buckwheat, Fenugreek, Blue Star.

Design guilds with Oats and see companion relationships visually.

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