Firecracker (F1) Sunflower Seed
Firecracker (F1) Sunflower Seed
Dwarf, branching plants loaded with red and gold flowers.
Compact plants produce a mass of bright, 4-6" bicolored flowers that are great in containers. 16-36" long stems. Pollenless.Specs:
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DAYS TO GERMINATION:
7-14 days at 70-75°F (21-24°C).SOWING:
Direct seed (recommended) — Sow after last frost in groups of 3-4 seeds, 1/2" deep. Thin to one plant when true leaves appear. Transplant — Sow in final container, placing 1 seed per 6" pot or 3 seeds per gallon container, 3-4 weeks prior to planting out. Dislikes root disturbance. If transplanting to beds, wait for 3-4 true leaves to appear.GROWING ON:
Grow at 70-80°F (21-27°C) during the day and 50-60°F (10-16°C) at night. Warmer temperatures cause stretching; cooler temperatures cause plants to be more dwarf.LIGHT PREFERENCE:
Sun.SOIL REQUIREMENTS:
Light, well-drained soil of low to moderate fertility.PLANT SPACING:
8-12". Space plants so that leaves do not touch. Crowding promotes taller growth and weaker stems.HARDINESS ZONES:
Annual.HARVEST:
Fresh: Harvest when flowers are just beginning to open. Dried: Flowers are completely open. Hang or use silica gel.USES:
Excellent in containers or for mass plantings.SCIENTIFIC NAME:
Helianthus annusJohnny's is committed to your success, every step of the way.
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