Speedwell
Veronica longifolia
outdoorAn upright perennial producing tall spires of small, densely packed flowers in blue, purple, pink, or white from mid-summer to fall. Veronica longifolia has attractive linear foliage and is an excellent choice for cut flowers and vertical interest in borders. It is a reliable, long-blooming plant that attracts pollinators and requires minimal maintenance once established.
Common Problems
Select the problem your Speedwell is experiencing to get a treatment guide.
Care Guide
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Light
Full sun; requires minimum 6 hours of direct sunlight for optimal flowering and compact growth
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Water
Moderate; prefers evenly moist soil during growing season but tolerates some drought once established; avoid waterlogging which causes root issues
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Soil
Well-draining soil; adaptable to various soil types including sandy, loamy, and clay soils; prefers neutral to slightly alkaline pH
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Fertiliser
Light feeding in spring with balanced fertilizer; avoid excessive nitrogen which causes leggy growth and reduces flowering
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Temperature
Hardy and cold-tolerant; performs well in cool to warm temperate regions; avoid hot, humid climates which reduce vigor
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Humidity
Moderate; tolerates dry air; benefits from good air circulation to prevent disease
Toxicity
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Non-toxic to humans and pets; safe for all household members
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.