Delphinium grandiflorum 'Blue Butterfly' - Delphinium

🌿 Features

Type: Herbaceous perennial
Common name: Larkspur, Delphinium
Scientific name: Delphinium grandiflorum 'Blue Butterfly'
Flower color: Blue-purple
Mature height: 0.6–0.9 m
Mature spread: 0.3–0.5 m
Habit: Upright, graceful, and airy
Bloom period: Summer to early fall
Exposure: Full sun
Watering needs: Regular
Soil type: Well-drained, fertile, slightly alkaline
Hardiness zone: Zone 3 to 8
Drought tolerance: Moderate
Melliferous 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. Lightly stake stems if necessary to support the delicate flower clusters. Remove faded flowers as soon as they dry to encourage prolonged and abundant blooming.

Prune lightly after the first wave of blooms to stimulate a second flush in late summer. In autumn, cut stems back to the ground once they have completely died back to promote vigorous regrowth the following spring.