Veronica austriaca subsp. teucrium ‘Crater Lake Blue’ (Saw-Leaved Speedwell)
Saw-Leaved Speedwell 'Crater Lake Blue', Veronica latifolia 'Crater Lake Blue', Veronica teucrium 'Crater Lake'
An outstanding selection, award-winning Veronica austriaca subsp. teucrium ‘Crater Lake Blue’ (Saw-Leaved Speedwell) is a compact, mound-forming perennial boasting intense gentian blue flowers arising in elongated axillary racemes from late spring to early summer. When in flower, this plant is a sea of blue. Crater Lake Blue is regarded as one of the best cultivars for filling in a sunny area in the front of the garden. The foliage of toothed, oblong, bright-green leaves looks good all season. A very versatile plant for rock gardens or border fronts.
- Winner of the prestigious Award of Garden Merit of the Royal Horticultural Society
- Grows up to 12-15 in. tall (30-37 cm) and 9-12 in. wide (22-30 cm).
- Performs best in full sun to part shade, in average, medium moisture, well-drained soils.
- Perfect choice for banks and slopes, beds and borders, garden edging, city gardens, coastal gardens, cottage gardens, rock gardens, and containers.
- Easy to grow, this Speedwell requires very little care and is fairly pest and disease-free. Keep an eye out for powdery mildew.
- Deer and rabbit resistant.
- Remove spent flowers to encourage compact habit and good flowering in the following year.
- Propagate by division in autumn or spring.
Requirements
| Hardiness |
4 - 8 |
|---|---|
| Heat Zones |
3 - 8 |
| Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21 |
| Plant Type | Perennials |
| Plant Family | Plantaginaceae |
| Genus | Veronica |
| Exposure | Full Sun, Partial Sun |
| Season of Interest |
Spring (Late) Summer (Early) |
| Height |
1' - 2' (30cm - 60cm) |
| Spread |
9" - 1' (20cm - 30cm) |
| Spacing | 12" (30cm) |
| Maintenance | Low |
| Water Needs | Average |
| Soil Type | Loam |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Moist but Well-Drained |
| Characteristics | Plant of Merit, Showy |
| Tolerance | Deer, Rabbit |
| Garden Uses | Banks And Slopes, Beds And Borders, Edging, Patio And Containers |
| Garden Styles | City and Courtyard, Coastal Garden, Gravel and Rock Garden, Informal and Cottage |
Alternative Plants to Consider
Recommended Companion Plants
Find In One of Our Guides or Gardens
Mariola Anna, Shutterstock
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
Requirements
| Hardiness |
4 - 8 |
|---|---|
| Heat Zones |
3 - 8 |
| Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21 |
| Plant Type | Perennials |
| Plant Family | Plantaginaceae |
| Genus | Veronica |
| Exposure | Full Sun, Partial Sun |
| Season of Interest |
Spring (Late) Summer (Early) |
| Height |
1' - 2' (30cm - 60cm) |
| Spread |
9" - 1' (20cm - 30cm) |
| Spacing | 12" (30cm) |
| Maintenance | Low |
| Water Needs | Average |
| Soil Type | Loam |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Moist but Well-Drained |
| Characteristics | Plant of Merit, Showy |
| Tolerance | Deer, Rabbit |
| Garden Uses | Banks And Slopes, Beds And Borders, Edging, Patio And Containers |
| Garden Styles | City and Courtyard, Coastal Garden, Gravel and Rock Garden, Informal and Cottage |
