Question 1

Is Corn Speedwell considered a weed?

Accepted Answer

Yes, Corn Speedwell (Veronica arvensis) is widely considered a common weed in lawns, gardens, agricultural fields, and other disturbed areas due to its prolific seed production and ability to spread rapidly.

Question 2

What does Corn Speedwell look like?

Accepted Answer

Corn Speedwell is a low-growing annual herb, typically 5-30 cm tall, with hairy stems and small, ovate, toothed green leaves. It produces tiny, bright blue to purplish-blue flowers, usually 2-4 mm across, in spring and early summer.

Question 3

When does Corn Speedwell typically bloom?

Accepted Answer

Corn Speedwell usually blooms from early spring through early summer, typically from March to June in temperate regions. Its small flowers appear in the leaf axils along the stems.

Question 4

How can I control Corn Speedwell in my garden?

Accepted Answer

Effective control methods include hand-pulling young plants before they set seed, regular mowing in lawns to prevent seed production, and applying pre-emergent herbicides in autumn to prevent germination. Maintaining healthy, dense turf can also help suppress its growth.

Question 5

Is Corn Speedwell poisonous to humans or pets?

Accepted Answer

Corn Speedwell is generally considered non-toxic to both humans and pets. While it is not typically consumed as food, there are no widespread reports of toxicity from incidental contact or ingestion.

corn speedwell (Veronica arvensis)

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