Persian Speedwell (Veronica persica)

Persian Speedwell

Veronica persica

Dainty blue blooms carpet lawns like scattered sapphires. Low-growing annual or short-lived perennial; common names: Persian speedwell, field speedwell.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates short periods of full shade, performs best in bright, indirect light for indoor cultivation
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Watering Water when the top 1–2 cm of soil dries out; avoid overwatering to prevent root rot in compacted soils
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Temperature Hardy to light frost (down to 0°C); thrives in cool temperate conditions, avoid prolonged heat above 28°C
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Characteristics

  • Leaf: Opposite, ovate to rounded leaves with serrated margins, soft, bright green texture
  • Flower: Tiny four-petaled blue blooms with white centers, clustered in leaf axils
  • Stem: Slender, creeping or ascending stems that root at nodes to spread horizontally
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Care Guide

Watering

Keep soil evenly moist during active growth; reduce watering during extended hot, dry spells

Fertilization

Diluted balanced liquid feed once every 4 weeks. Use low-nitrogen fertilizer to prioritize flowering over excessive foliage growth

Banana peel compost tea:Soak fully composted banana peels in water for 24 hours, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations and odor
Pruning
  • Deadhead spent blooms regularly to encourage extended flowering through early summer
  • Trim back overgrown mats in late summer to maintain a neat, compact form
  • Remove yellowing or diseased foliage promptly to improve airflow and reduce pest risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic to cats; no adverse effects expected from ingestion or contact

Humans: No known toxicity to humans; safe for handling and accidental ingestion in small amounts

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Garden Uses & Culture

Culture: N/A

Usage: Low-growing ground cover for wildflower gardens; often considered a common lawn weed in temperate regions