< Horticulture
Veronica arvensis

Corn Speedwell
Binomial:Veronica arvensis
Type:Annual

Veronica arvensis -- known variously as Corn Speedwell, Common Speedwell, Speedwell, Rock Speedwell, or Wall Speedwell -- is a low-growing herb native to Europe, but also an invasive weed in North America.

Description

Low-growing, somewhat hairy plant with small dark-blue flowers. Flowers from late spring through early autumn.

Ecology

Spread by the small seeds, usually with the help of foot traffic. Common in nursery containers.

Uses

Has some medicinal uses.

Control

  • Cultivation: Cultivation is most effective before the plant starts to flower.
  • Mulching (for prevention): Effective
  • Pulling: Pulls easiy
  • Flame: Flame is effective, especially when growing in hardscapes.
  • Disposal: Hot piles only if flowers or seeds are present.

References

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