Firecracker
(F1) Sunflower Seed
Product ID: 1746
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. Ht. 36–46". Avg. 1,140 seeds/oz. Packet: 50 seeds.
https://www.johnnyseeds.com/flowers/sunflowers/dwarf-sunflowers/firecracker-f1-sunflower-seed-1746.11.html
Size
Price
Quantity
Availability
Packet
$4.90
Item cannot be ordered at this time. Estimated availability Dec 30, 2022
100 Seeds
$6.65
Out of Stock
250 Seeds
$9.60
Item cannot be ordered at this time. Estimated availability Dec 30, 2022
1,000 Seeds
$31.95
Item cannot be ordered at this time. Estimated availability Dec 30, 2022
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 annus
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 annus
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