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Subterranean clover

Trifolium subterraneum

Also called Sub Clover, Burrowing Clover

Subterranean clover
Photo: Gordon Leppig & Andrea J. Pickart, Public domain

Subterranean clover is a low-growing annual legume prized as pasture and fodder, notable for burying its seed pods underground. It grows best in cool-season, temperate conditions and tolerates poor soils.

Family
Fabaceae (Pea & bean family)
Grows as
Annual
Light
Full sun
Water
Water regularly during establishment and the growing season; it is adapted to winter rainfall and needs little water once it has set seed.
Soil
Tolerates poor, acidic to neutral soils; well-drained loams suit it best, and some subspecies tolerate waterlogging.
Temperature
Cool to mild temperatures suit it best; frost-tolerant to a degree, with growth slowing in heat.
How easy
Easy
Safety
Not known to be toxic
Native range
Europe to Caucasus, Macaronesia to Iran
Climate
temperate

About

Trifolium subterraneum, the subterranean clover (often shortened to sub clover), subterranean trefoil, is a species of clover native to Europe, Southwest Asia, Northwest Africa and Macaronesia. The plant's name comes from its underground seed development (geocarpy), a characteristic not possessed by other clovers.

It can thrive in poor-quality soil where other clovers cannot survive, and is grown commercially for animal fodder. There are three distinct subspecies used in agriculture, each with its own ideal climate and soil type, allowing for wide distribution of the plant over varied environments.

Other Trifolium plants

Owl-head clover · Kura clover · Showy Indian clover · Narrowleaf crimson clover · Golden clover · Brown clover · Southern clover · Foothill clover · Strawberry clover · Clustered clover · Rose clover · Alsike clover

Text excerpted from the Wikipedia article Trifolium subterraneum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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