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Veronica longifolia (Speedwell). This is an upright plant which produces tall spikes of intense purple blooms. The leaves are deep green and whorled around the strong stems.
They are moderately frost hardy.
Interest and use
Border, cutting bed
- LightFull sun or Part shade
- HardinessFully hardy (min -15°C)
- SoilHeavy, Light, Medium
- Soil pH7.0