Delphinium Blue Butterfly
identification
description
Larkspur 'Blue Butterfly' (Delphinium grandiflorum) – Offered by the seedsman WH Perron
Larkspur 'Blue Butterfly' is a popular compact variety that is ideal for borders. Its bright blue flowers add an elegant and sophisticated touch to the garden. Easy to grow, this perennial delphinium is perfect for zones 3 and 4 and offers a remarkable bloom during the summer.
Hardiness zone: 3-4
Maturity: Perennial
Germination: 14 to 21 days
Sowing temperature: 21°C during the day / 15°C at night
Plant height: 40 to 50 cm
Spread: 30 to 45 cm
Color: Blue
Formulation: Naked
Use: Flowerbeds
Flowering: July to August
Cultivation method:
Sow seeds indoors about 6 to 8 weeks before the last frost. Maintain a temperature of 70°F (21°C) during the day and 60°F (15°C) at night to promote optimal germination. Use a light, well-drained substrate. Transplant seedlings into the ground after the last frost, in a sunny or lightly shaded location. Space plants 12 to 18 inches (30 to 45 cm) apart to allow for proper development.
The 'Blue Butterfly' larkspur is an excellent choice for structuring your flowerbeds and adding a touch of bright colour to your outdoor spaces. Its delicate flowers and compact shape make it a must-have plant for summer gardens.
