Crater Lake Blue large speedwell
Veronica austriaca 'Crater Lake Blue'
RHS AGM 1993
USDA zones4 to 8
SunHandles full sun to partial sun
WaterHandles moderate to moist soil
Size12 to 18 inches tall9 to 12 inches wide
- Bloom season
- Spring, summer
- Bloom color
- Gentian blue
- Soil types
- Loam
- Soil pH
- Acid, alkaline, neutral
Garden uses
Notes
'Crater Lake Blue' large speedwell (Veronica austriaca 'Crater Lake Blue') is a perennial for borders, containers, and low maintenance gardens. It is hardy to USDA zone 4, or down to -30°F (-34°C). This plant likes full or part sun and average to moist, loamy soil. It bears gentian blue flowers in spring and again in summer. Deer and rabbits rarely make it their first choice. It stays 12 to 18 inches tall and 9 to 12 inches wide.
Pairs well with September Charm anemone, Greig's tulip, and Ostrich fern.