Diamonds Blue Delphinium
Best compact perennial for gardeners seeking vibrant, pollinator-friendly floral accents.
These electric blue blooms bring a sophisticated, delicate texture to tight garden corners and containers. While they offer a stunning, pollinator-friendly display all summer, you will need to keep them away from curious pets and children due to their toxicity.
$10.99
at
Armstrong Garden Centers (Shop)
Who it's for
- Gardeners seeking height and architectural impact in flower beds
- Homeowners wanting a long-lasting, multi-season floral display
- Floral enthusiasts who enjoy arranging fresh stems indoors
Who should skip it
- Gardeners lacking the time for consistent structural support
- Busy gardeners preferring low-maintenance, hands-off plant varieties
- Beginners discouraged by frequent pest and disease management
Performance breakdown
Visual Impact
Electric blue blooms provide a striking, high-contrast focal point.
Pollinator Attraction
Reliably draws butterflies and birds to your garden throughout summer.
Space Efficiency
Compact mounded habit fits perfectly in containers and small borders.
Maintenance Ease
Generally low effort, though seasonal cutting back is required.
Hardiness Range
Exceptional cold tolerance thrives even in harsh zone 2a climates.
Safety Profile
Toxicity concerns require careful placement away from pets and children.
Key Specs
Mature Height
20 inches
Mature Width
12 inches
Light Requirement
Full Sun
Bloom Time
Summer to Fall
Growth Rate
Medium
Hardiness Zone
2a
Water Needs
Moderate
Propagation Method
Division
Fragrance
None
Pet Friendly
False
Know before you buy
Still have a question?
Ask Metto anything about the Diamonds Blue Delphinium before you decide.
