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Delphinium Guardian White

Guardian White Delphinium

Delphinium ‘Guardian Lavender’ is an upright, clump-forming perennial valued for its strong vertical form and soft lavender flower spikes in early to mid-summer, creating a refined, cottage-garden look, with finely divided green foliage that may yellow and die back after flowering.


Mature Size:
Width: 18–24 in
Height: 30–36 in

USDA Zones: 3a–7b (best performance in cooler climates; may struggle in heat and humidity)
Light: Full sun
Blooms: Soft lavender flower spikes in early to mid-summer
Soil: Rich, well-drained soil
Water: Moderate; prefers consistent moisture


🌸 Landscape Uses
Perennial borders, cottage gardens, cut flowers, mass plantings


🌼 Attracts & Tolerances
Attracts: Pollinators
Tolerances: Deer resistant

Plant type
Perennial
Height
30-36''
Width
18-24"
Hardiness zones
3–7
Sunlight
Full Sun
Growth rate
Fast
Bloom time
Early Summer, Late Spring, Spring
Flower color
Lilac
Leaf color
Green
Fall color
Green
Attracts
Butterflies
Soil
Loamy, Well Drained
Landscape use
Mass Planting, Rock Garden
Shape
Clump, Upright
Deer resistant
Yes
Drought tolerant
No