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Corn Speedwell

Veronica arvensis

Also listed as Agerella arvensis, Cardia arvensis

Also known as Field Speedwell, Wall Speedwell, Common Speedwell

groundcover☀️ full sun💧 low water❄ Hardy: Zone 6a – Zone 8b

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A low-growing annual or winter annual speedwell with tiny pale blue or white flowers and fine, delicate foliage. Often found as a naturalized groundcover in open, sunny areas and disturbed sites.

Why grow it

Corn speedwell establishes quickly in poor, compacted, or disturbed soils where many ornamentals struggle, making it useful for temporary soil stabilization or as a pioneer species in bare ground reclamation. Its fine texture and low stature offer a finer visual quality than coarser annual weeds, though it lacks the ornamental appeal or persistence of cultivated groundcovers in intentional plantings. It can provide early-season forage and habitat value in informal or transitional landscape zones.

Watch out for

This species self-seeds readily and can dominate bare patches if left unmanaged, requiring attention in areas where you want to establish other plants. It performs best in well-drained soils and may decline or become sparse in consistently wet conditions or deep shade, limiting its utility in those microclimates. Like many speedwells, it responds to disturbance by proliferating, so cultivation can increase rather than reduce its presence in a given area.

Overview

Form
Spreading
Growth Rate
fast
Size
0.25–0.75′ tall × 0.5–1.5′ wide
Dormancy
deciduous
Family
Plantaginaceae
wildlife benefit

Native Range

Europe and Western Asia

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