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Spring Vetch

Lathyrus vernus

Also listed as Orobus vernus, Lathyrus flaccidus

Also known as Spring Pea, Spring Vetchling

herbaceousβ›… part shadeπŸ’§πŸ’§ moderate water❄ Hardy: Zone 5a – Zone 8b

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Spring vetch is a low-growing perennial with delicate purple, pink, or bicolored flowers that emerge in spring. It works well as a woodland groundcover or in rock gardens and dies back after flowering.

Why grow it

Spring vetch offers earlier season interest than many perennial groundcovers, with flowers typically appearing in mid to late spring before summer heat arrives. It requires minimal maintenance once established in appropriate conditions, making it useful where you want reliable woodland plantings or rock garden color without heavy management. Its preference for dappled shade and well-draining soil distinguishes it from full-sun groundcover alternatives, giving it a specific ecological niche rather than broad-use appeal.

Watch out for

This species prefers consistently moist but well-draining soil and performs poorly in hot, dry conditions or heavy clay without amendment. In warmer climates or during drought periods, it may decline or fail to return reliably year to year, so site selection and soil preparation matter more than with tougher groundcover options.

Overview

Form
Mounding
Growth Rate
moderate
Size
1–1.5β€² tall Γ— 1–1.5β€² wide
Dormancy
deciduous
Family
Fabaceae
Pollinators & beneficial insects

Native Range

Europe

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

Spring

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Companion Planting

Plants well with