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Sunflower Seeds - Joker
About...
Sunflower Joker (Helianthus Annuus) - There is no joking about it, these bi-color Sunflowers are absolutely gorgeous! Grown from Joker Sunflower seeds, these annuals produce blooms that measure 6 - 8 inches in diameter. The unique flower head has outer petals that are long and thin and bright yellow from the tip to close to the base, where they abruptly turn deep red.
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Flower Specifications
SEASON
Annual
USDA ZONES
3 - 9
HEIGHT
72 - 84 inches
BLOOM SEASON
Summer to fall
BLOOM COLOR
Yellow
ENVIRONMENT
Full sun
SOIL TYPE
Moist, fertile, pH 5.5 - 6.2
DEER RESISTANT
No
Planting Directions
TEMPERATURE
69 - 75F
AVERAGE GERM TIME
10 - 15 days
LIGHT REQUIRED
No
DEPTH
1/2 inch
SOWING RATE
2 - 3 seeds per plant
MOISTURE
Keep seed slightly moist but not wet
PLANT SPACING
24 inches
Growing Joker Sunflower From Seed: Sunflowers are easy to grow from flower seeds. After danger of frost has passed, directly sow Joker Sunflower seeds into prepared seed beds that are weed free and the soil has been loosened. Space the Sunflower seeds 12 inches apart, cover the seed 1/2 inch deep, and thin the Sunflower seedlings to 24 inches apart.