Delphinium elatum 'Blue Nile' Blackmore & Langdon
Best vertical accent for gardeners seeking vibrant, deer-resistant summer blooms.
These towering, brilliant blue spikes are the gold standard for adding architectural drama to a sunny border. They demand a bit of extra effort with staking and rich soil, but the reward is a show-stopping, repeat-blooming perennial that outshines almost anything else in the garden.
$22.00
Who it's for
- Experienced growers prioritizing plant health and reliable performance
- Gardeners seeking intense, saturated blue floral displays
- Landscapers designing dramatic vertical height for perennial borders
Who should skip it
- Gardeners wanting low-maintenance plants without structural support needs
- Busy homeowners unable to manage frequent pest control measures
- Pet owners and parents concerned about toxic garden plants
Performance breakdown
Visual Impact
Brilliant blue petals create a striking vertical focal point in borders.
Maintenance Demand
Requires consistent staking and fertile soil to maintain structural integrity.
Pollinator Appeal
Highly effective at drawing bees and butterflies into the garden.
Bloom Longevity
Capable of a second flush if stalks are pruned after flowering.
Garden Versatility
Works beautifully as a specimen plant or grouped for mass impact.
Pest Resistance
Reliably deters deer, protecting your display from common garden grazers.
Key Specs
Botanical Name
Delphinium elatum
Cultivar
Blue Nile
Mature Height
Up to 6 feet (72 inches)
USDA Hardiness Zones
3-7
Sun Exposure Requirement
Full Sun
Soil Preference
Very fertile, pH close to neutral
Ships as
1 PINT 28.86 CU IN.
SKU
S27464
Life Cycle
Perennial
Watering Needs
Moderate
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