How to Grow Wall Speedwell
Wall Speedwell
Veronica arvensis
flowerWall speedwell is a low-growing annual or winter annual wildflower native to Europe, commonly found in disturbed areas, walls, and rocky habitats. It produces delicate pale blue to white flowers on slender stems and has small, opposite leaves. Despite being considered a weed in many regions, it has ornamental value and attracts pollinators.
When should you plant Wall Speedwell in your zone?
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Example Wall Speedwell timeline · Pittsburgh, PA (Zone 6b)
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Plant Wall Speedwell
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Wall Speedwell blooms
Around Jun 1≈ 45 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Wall Speedwell dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-9; extremely cold and heat tolerant
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Get my Wall Speedwell timeline →Growth Stages
Germination
7-14 daysTiny seedlings with oval cotyledons emerge; plants are very small and delicate
Keep soil lightly moist but not waterlogged. Maintain 50-65°F temperature. Do not cover seeds; light aids germination.
Seedling & Rosette
2-3 weeksSmall rosette forms with oval true leaves appearing; plant remains low to the ground
Thin seedlings to proper spacing. Keep soil moderately moist. Gradually acclimate to outdoor conditions if starting indoors.
Vegetative Growth
2-3 weeksPlant develops multiple branching stems; foliage becomes fuller and denser with small opposing leaves
Reduce watering; allow soil to dry between waterings. No fertilizer needed for this hardy plant. Pinch tips to encourage branching if desired.
Flowering
6-10 weeksDelicate pale blue, blue-violet, or white flowers appear in small racemes along branching stems; flowers are tiny but abundant
Maintain dry conditions. Deadhead spent flowers to encourage continued blooming. Support with stakes if plants become leggy.
Seed Maturation & Dispersal
3-4 weeksFlowers fade and small capsular seed pods develop; seeds mature and eventually disperse naturally
Allow some flowers to mature if self-seeding is desired. Cut back plants after seed set or leave for naturalization.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Ensure good air circulation; avoid overhead watering. Apply sulfur dust or neem oil if severe.
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and
Remove hiding spots; use copper tape around garden beds. Hand-pick in early morning or evening.
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Spray with water to dislodge. Use insecticidal soap or neem oil for heavy infestations.
Uses
Alpine & Rock Garden Accent
OrnamentalWall speedwell's low, delicate growth habit makes it ideal for rock gardens, alpine troughs, walls, and between pavers where its naturalistic appearance fits perfectly. Its tiny flowers add charm to miniature landscapes. [source]
Pollinator Nectar Source
WildlifeDespite its small flowers, wall speedwell is visited by bees, small butterflies, and other beneficial insects seeking early-season nectar and pollen. It provides nutritional support for early pollinators. [source]
Traditional Herbal Tea
MedicinalHistorically used in European folk medicine to make a light herbal infusion believed to support respiratory health and digestion. The aerial parts are dried and steeped in hot water. [source]
Erosion Control & Ground Cover
HouseholdWall speedwell's low growth and hardy nature make it useful for stabilizing disturbed soil, controlling erosion on slopes, and filling in gaps in dry garden areas without intensive management. [source]
Dried Flower Arrangements
CraftDelicate stems with their tiny flowers dry beautifully and can be pressed or air-dried for use in small dried flower arrangements, botanical collages, or pressed flower crafts. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Wall speedwell is typically grown for ornamental flowers rather than harvested. Deadhead regularly to extend flowering season. Collect seeds in late summer if desired for self-seeding or propagation—allow seed pods to dry on plant, then collect and store in cool, dry location.
Fun Facts
- 🌱 Wall speedwell is considered a winter annual in temperate zones, often germinating in fall, overwintering as a rosette, and flowering heavily in spring and early summer—an adaptive strategy for surviving harsh climates.
- 🌱 The genus Veronica includes over 450 species worldwide; 'speedwell' comes from folk herbalists' use of the plant in fast-acting remedies, though the etymology remains somewhat debated.
- 🌱 Despite being labeled a 'weed' in cultivated gardens, wall speedwell is so low-growing and non-competitive that it rarely threatens garden plants; gardeners often tolerate or encourage it for its delicate aesthetic appeal.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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