Larkspur 'Cheer Blue F1' (Delphinium grandiflorum) – Offered by seed company WH Perron
Winner of an AAS and Fleuroselect 2020, the larkspur 'Cheer Blue F1' is a compact and vigorous variety that has won over gardeners in northern climates. Covered in beautiful blue flowers, this delphinium is ideal for creating beautiful borders in landscaping. Its early flowering, which extends into early summer, and its excellent germination make it an essential choice.
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 cm
Spread: 25 cm
Color: Blue
Formulation: Raw
Use: Flowerbeds
Flowering: May to July
Cultivation method:
Sow seeds indoors about 6 to 8 weeks before the last spring frost. Maintain a temperature of 70°F (21°C) during the day and 60°F (15°C) at night for optimal germination. Use a light, well-drained potting soil. Transplant seedlings into the ground after the last frost, in a sunny or partially shaded area. Space plants 10 inches (25 cm) apart for good development.
Larkspur 'Cheer Blue F1' is perfect for beautifying your flowerbeds with its bright colour and compact habit. Its ease of cultivation and long flowering period make it an ideal choice for gardeners looking for an elegant and structured arrangement.
