Corn Speedwell (Veronica arvensis)

Corn Speedwell

Veronica arvensis

Tiny blue blooms carpet disturbed soil, a quiet wildflower charm. Annual herbaceous wildflower; common name: corn speedwell.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates compacted, low-nutrient soil conditions
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Watering Water only during prolonged dry spells; drought-tolerant once established
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Temperature Frost-hardy; tolerates cool spring temperatures and moderate summer heat
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Characteristics

  • Leaf: Small oval to lanceolate leaves with toothed margins, arranged oppositely along stems
  • Flower: Tiny pale blue to white 4-petaled blooms clustered in leaf axils
  • Stem: Slender, branching stems with prostrate to ascending growth
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Care Guide

Watering

Water occasionally during extended dry periods

Fertilization

No regular fertilization needed. Wildflowers thrive in low-nutrient soils; avoid fertilization to prevent excessive foliage growth

Composted coffee grounds tea:Use fully composted grounds diluted 1:40 for root drench; apply sparingly to avoid disrupting low-nutrient soil balance
Pruning
  • Deadhead spent blooms to prevent unwanted self-seeding in managed garden areas
  • Trim back overgrown mats in late summer to maintain tidy growth form
  • Remove yellowing foliage to improve airflow in dense plantings
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Wildflower meadow component; low ground cover in disturbed or compacted soil areas