

Summer Blues Larkspur
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Plant Information
Details
Latin Name
Delphinium grandiflorum 'Summer Blues'
Common Name
Summer Blues Larkspur
Current Size
6-12 Inches
Hardiness Zone
3
Bloom Time
June-August
Mature Width
12 Inches
Mature Height
12 Inches
Flower Colour
Blue
Growth Rate
Moderate
Sun
Partial-Full Sun (4+ hours)
Pruning
After Bloom
Water
1-2 times per week
Highlights
- Hardy and easy-to-grow plant that is well-suited to a wide range of garden styles, from cottage gardens to cutting gardens.
- Attractive to pollinators like bees and butterflies
Care Guide
Care Guide
- Fertilize the plant every 4 to 6 weeks with a balanced, fertilizer during the growing season.
- Watering needs: The plant prefers well-draining soil and should not be overwatered. Water the plant regularly to keep the soil evenly moist, but not waterlogged. In hot and dry conditions, water more frequently.
- Maintenance needs: Deadhead the spent flowers regularly to encourage further blooming.
- Pruning: Cut back to ground level in late fall when the plant turns yellow/brown.
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