Field pansy – Viola arvensis

Viola arvensis

Viola arvensis

Viola arvensis (field pansy) is an annual, seed reproducing weed. It has different shapes that depend on the size the plant will have and its flower color. It particularly grows on light soils, that are sandy or medium compacted.

Common names: field pansy, European field pansy.


The stem is oblique or vertical and it was branches, most of the times. The height of the stem is from 10 to 60 cm.

Viola arvensis - plant

The cotyledons are oval-rounded, with short petioles and a concave tip.

Viola arvensis - cotyledon

The real leaves are scattered, with lacy margins. The inferior leaves are oval-lanceolate and gradually narrower towards the petiole. The superior ones are elongated, lanceolate, with short petioles. The superior leaves have secondary pinnate leaves at the base.

The flower is isolated, with long peduncles and located on the leaf’s axilla. The flower has 5 petals. The color of the leave can range from light yellow to purple.

Viola arvensis - flower

Viola arvensis - flower 1

The germination period is year-round, but it happens mostly through autumn. The germination depth is 0.5-1 cm.

The blossoming period is year-round. The plant produces between 150 to 3000 seeds.

How to fight this pest plant

The herbicides that are recommended when fighting the field pansy are: Alliance 660 WG, Dicopur Top, Equip, Kelvin Top, Tomigan 250 EC.

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