Quick Facts

• Mature size: Approx. 800–1200mm high x 400–600mm wide

• Position: Full sun to partial shade

• Foliage: Deep green, lance-shaped leaves forming an upright clump

• Flowering: Summer

• Flower colour: Violet-blue flower spikes

• Climate tolerance: Heat and frost tolerant

• Water needs: Moderate; drought tolerant once established

• Maintenance: Low

Why You’ll Love it

Veronica longifolia, commonly known as Garden Speedwell, is a reliable and elegant perennial valued for its tall, upright spikes of violet-blue flowers that bring structure and colour to summer borders. Flowering through the warmer months, it attracts bees and butterflies while adding vertical interest to mixed perennial plantings. Its strong, upright habit makes it ideal for naturalistic gardens, cottage borders, and contemporary perennial schemes. Hardy, adaptable, and easy to grow, Garden Speedwell offers a long-lasting display with minimal maintenance.

Planting & Care Tips

• Plant in full sun to partial shade for best flowering and sturdy growth

• Prefers well-drained, fertile soil; adaptable once established

• Water regularly during establishment, then moderately as needed

• Deadhead spent flower spikes to encourage repeat flowering

• Cut back in late winter or early spring before new growth appears