Delphinium x Pacific Giant 'Guinevere' - Delphinium

🌿 Characteristics

Type: Herbaceous perennial
Common name: Larkspur, Delphinium
Scientific name: Delphinium x Pacific Giant 'Guinevere'
Flower color: Bluish-purple with white center
Mature height: 1.2–1.5 m
Mature width: 0.5–0.7 m
Habit: Upright, majestic
Flowering period: Summer
Exposure: Full sun
Watering needs: Regular
Soil type: Well-drained, fertile, slightly alkaline
Hardiness zone: Zone 3 to 8
Drought tolerance: Moderate
Pollinator-friendly plant: Yes
Attracts pollinators: Yes
Toxicity to animals: Toxic if ingested

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✂️ Care

Water regularly to maintain moist but well-drained soil, especially during growth and flowering. Securely stake tall stems to prevent them from breaking under the weight of the spectacular flower spikes. Remove spent flowers as soon as they dry out to encourage prolonged and abundant blooming.

Lightly prune after the first flush of blooms to stimulate a second flowering in late summer. In autumn, cut the stems back to the ground once they have completely died back to encourage vigorous regrowth the following spring.