How To Grow Larkspur
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Larkspur
Consolida ajacis
Larkspur is one of the easiest cut flowers to grow, is cold tolerant and early to bloom. Can be fall planted in zones 6-8.
Details:
Plant type: annual
Height: 36-48”
Site: full sun
Days to maturity: 80-90 days
Plant spacing: 8-12”
Pinch: not necessary
Kids, Pets, and Deer Resistance: toxic, deer resistant
Indoor & Pots: great for back of bed; not suitable for containers
How to Grow:
Fall planting recommended for zones 5-8. Planting in the Fall allows the plant to establish a robust root system and creates longer stems and stronger plants.
Direct seed (recommended): Sow ¼” deep; darkness is required for germination. Keep soil moist.
Transplant: Start seeds in trays 5-7 weeks before transplanting in either spring or fall. If growing transplants, grow at 55°F (13°C) until ready to plant outside. Larkspur performs best where summers are cool.
Germination: 14-21 days at 55°F (13°C). You can pre-chill seed for 7 days in the fridge to improve germination.
Where to plant: Plant in the sun and well drained soil.
Harvesting/Vase Life:
Fresh - 2-3 basal flowers open on up to 1/3 of stem. Dried - flowers on stem are open but before petals drop.