Sunflower 'Greenburst'
Helianthus annuus
 
Early blooming, semidouble flowers.
Golden-yellow petals surround green centers. 4–6" blooms on 12–24" stems. Downy mildew-resistant plants have a sturdy, branching habit. Pollenless.
Outstanding Florist type sunflower. 
 
Details:
Plant life cycle: annual
Site : Full sun
Height: 60-72”
Days to maturity: 60-70 days
Sow :1/2" deep
Plant spacing: 12-18”
Pinch: when 18” tall
Approx seeds per packet: 20
 
 
How to Grow:
Direct seed After last frost, sow ½" deep.Transplant - Sow into 72 to 50-cell flats 2-3 weeks prior to planting out. Plants dislike root disturbance but sowing indoors and then transplanting the first crop outdoors can be a successful way to get first-early sunflowers. Pinching branching varieties is recommended to encourage branching and longer stems. Succession-sow every 2-3 weeks and/or plant multiple varieties for continued harvest.
 
 
How to harvest
Flowers can be harvested tight, when color first shows, or when almost completely open, depending on your market and preferred use. 
Dried - Flowers are completely open. Hang or use silica gel.
 
Vase life :
Strip ¾ of the leaves from the stem for the longest vase life. Will last up to 7 days