Starburst™ Greenburst DMR (F1) Sunflower Seed
Quick Facts
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Latin Name
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Helianthus annuus
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Days To Maturity
Days To Maturity
Average number of days from seeding date to harvest, within a specific crop group. If a transplanted crop: average number of days from transplant date. Not sure if crop is direct-seeded or transplanted? Check the Growing Information box for details. If crop can be both direct-seeded or transplanted, days to maturity refers to direct seeding. Days to maturity for all flowers and herbs is calculated from seeding date.
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60 - 65 Days
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Life Cycle
Life Cycle
Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature).
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Annual
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Hybrid Status
Hybrid Status
Hybrid: The offspring of a cross between two or more distinct parent lines, usually of same species, and selected for improved traits.
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Open-pollinated: A non-hybrid variety that can reproduce itself in kind, demonstrating relatively stable traits from one generation to the next. -
Hybrid (F1)
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Product Features
Product Features
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Use for Cut Flowers and Bouquets
- Variety good for fresh cut-flower displays.
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Starburst™ Greenburst DMR (F1) Sunflower Seed
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. NOTE: Downy mildew in sunflowers persists in infected soils and is especially problematic in cool, wet soils. Symptoms include damping-off, stunted plants, yellowing leaves, and the presence of downy, white mildew on the undersides of the leaves.Specs:
Quick Facts
-
Latin Name
-
Helianthus annuus
-
Days To Maturity
Days To Maturity
Average number of days from seeding date to harvest, within a specific crop group. If a transplanted crop: average number of days from transplant date. Not sure if crop is direct-seeded or transplanted? Check the Growing Information box for details. If crop can be both direct-seeded or transplanted, days to maturity refers to direct seeding. Days to maturity for all flowers and herbs is calculated from seeding date.
Close
-
60 - 65 Days
-
Life Cycle
Life Cycle
Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature).
Close -
Annual
-
Hybrid Status
Hybrid Status
Hybrid: The offspring of a cross between two or more distinct parent lines, usually of same species, and selected for improved traits.
Close
Open-pollinated: A non-hybrid variety that can reproduce itself in kind, demonstrating relatively stable traits from one generation to the next. -
Hybrid (F1)
-
Product Features
Product Features
-
Use for Cut Flowers and Bouquets
- Variety good for fresh cut-flower displays.
-
-
- This product does not ship to the following countries: Austria, Australia, Belgium, Bulgaria, Cyprus, Czech Republic, Germany, Denmark, Estonia, Spain, Finland, France, United Kingdom, Greece, Croatia, Hungary, Ireland, Italy, Japan, Republic of Korea, Lithuania, Luxembourg, Latvia, Netherlands, New Zealand, Poland, Portugal, Romania, Sweden, Slovenia, Slovakia, Taiwan, Ukraine.
DAYS TO GERMINATION:
7-14 days at 70-75°F (21-24°C)SOWING:
Direct seed (recommended) - 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.LIGHT PREFERENCE:
Sun.PLANT HEIGHT:
Varies.PLANT SPACING:
18-24".HARDINESS ZONES:
Annual.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.SOIL REQUIREMENTS:
Light, well-drained soil. Excessive nitrogen may cause plants to grow too vigorously with abnormal flower shapes.USES:
Excellent cut flower. Single stem sunflowers can make a beautiful and reliable display in the garden but please note that they will only provide one bloom form each plant.NOTES:
Flower size and stem diameter are controlled by plant spacing, temperature, soil type, and day length. For early and late season production, select varieties that are day-length neutral or are noted as suitable for flowering under short days.Johnny's is committed to your success, every step of the way.
We want you, our customer, to be 100% satisfied with all of our seeds, tools, and supplies.
If anything you purchase from us proves unsatisfactory, we will either replace the item or refund the purchase price.