SEARCH PLANT
Powered by
Delphinium Summer Blues
Common Name: Summer Blues Larkspur
Delphinium ‘Summer Blues’ is a compact, clump-forming perennial valued for its upright to slightly spreading form and soft blue flower spikes that bloom over an extended period from late spring into summer, creating a relaxed cottage-garden effect, with finely divided green foliage that may yellow and die back after flowering.
Mature Size:
Width: 12–18 in
Height: 12–18 in
USDA Zones: 3a–7b (best performance in cooler climates; more heat tolerant than tall delphiniums)
Light: Full sun to partial shade
Blooms: Soft blue flower spikes from late spring into summer
Soil: Well-drained, moderately fertile soil
Water: Moderate; prefers consistent moisture
🌸 Landscape Uses
Perennial borders, edging, containers, rock gardens, mass plantings
🌼 Attracts & Tolerances
Attracts: Pollinators
Tolerances: Deer resistant, moderate heat tolerance
| Plant Type: | Perennial |
| Width: | 18-24" |
| Height: | 18-24'' |
| Fragrant: | Yes |
| Fruit: | Yes |
| Growth Rate | Moderate |
| Zone: | 3–7 |
| Deer Resistant: | Yes |
| Salt Tolerant: | Not verified |
| Drought Tolerant: | No |
| Attract: | Butterflies |
| Exposure: | Full Sun |
| Bloom Time: | Early Summer, Summer |
| Landscape/Use: | Container, Mass Planting |
| Shape: | Clump, Upright |
| Soil Type | Loamy, Well Drained |
| Flower Color: | Blue |
| Leaf Color: | Green |
| Fall Color: | Green |