How to Grow Sunburst Salmon
Sunburst Salmon
Helianthus annuus 'Sunburst Salmon'
flowerSunburst Salmon is a stunning annual sunflower variety featuring semi-double to double blooms with peachy-salmon colored petals that often have golden yellow tips or undertones. This cultivar produces full, ruffled flowers that resemble dahlias or peonies, reaching heights of 3-4 feet with a prolonged bloom season. It's an excellent choice for cut flowers, garden displays, and attracting pollinators.
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Example Sunburst Salmon timeline · Pittsburgh, PA (Zone 6b)
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Plant Sunburst Salmon
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Sunburst Salmon blooms
Around Jun 26≈ 70 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Sunburst Salmon dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 2-10; grows well in most climates as an annual
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Seedling
10-14 daysEmerged seedlings with two cotyledons (seed leaves) and rapid development of first true leaves.
Keep soil moist but well-draining. Provide bright light to prevent leggy growth. Thin seedlings to prevent crowding.
Vegetative Growth
30-45 daysPlant develops sturdy stem with broad alternate leaves and increases height rapidly; no flower buds yet visible.
Water consistently and ensure full sun exposure. Provide support stakes for taller varieties. Apply balanced fertilizer every 2-3 weeks.
Budding
10-15 daysFlower buds form at the stem apex; plant reaches near-full height with dark green foliage.
Continue regular watering and fertilization. Increase phosphorus and potassium for robust blooms. Ensure stakes are secure.
Flowering
20-30 days per bloom cycleFull, ruffled salmon-colored blooms with double petals open gradually from the outer edge inward; blooms may reach 4-6 inches in diameter.
Continue watering at soil level. Deadhead spent flowers to encourage secondary blooms. Provide afternoon shade in extreme heat to prevent petal scorching.
Seed Development & Decline
20-30 daysIf not deadheaded, flowers fade and drop petals, revealing developing seed heads with maturing seeds.
Leave final flowers if saving seeds for next year. Reduce watering slightly as the season ends.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Remove affected flower buds early; use neem oil spray; encourage beneficial wasps
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Hand-pick beetles; use row covers on young plants; apply insecticidal soap if severe
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Spray with strong water stream; use insecticidal soap; introduce ladybugs
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Increase humidity; spray with neem oil; prune heavily infested areas
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Ensure good air circulation; avoid overhead watering; remove infected leaves; use sulfur-based fungicide if needed
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Provide full sun and air circulation; spray with baking soda solution (1 tbsp per gallon water); use sulfur fungicide
Uses
Edible Petals & Seeds
CulinarySunflower petals add color and a slightly nutty flavor to salads and garnishes. Seeds can be roasted and eaten as a nutritious snack, rich in selenium, vitamin E, and linoleic acid. [source]
Cut Flower & Arrangements
HouseholdSunburst Salmon's showy double blooms and peachy-salmon coloring make it an excellent choice for fresh bouquets, floral arrangements, and long-lasting cut flower displays that can last 10-14 days in water. [source]
Pollinator Support
WildlifeSunflowers attract bees, butterflies, and other pollinators, though the double-petaled varieties have reduced pollen and nectar compared to single-petaled types. Still beneficial for garden ecosystem. [source]
Traditional Herbal Uses
MedicinalSunflower seeds and oil have been used in traditional medicine for immune support and as a source of linoleic acid and vitamin E, both antioxidants that support skin and cardiovascular health. [source]
Dried Flower Crafts
CraftDried Sunburst Salmon blooms retain their peachy color well and can be used in dried arrangements, wreaths, and craft projects for long-term decorative displays. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
For cut flowers, harvest in early morning when stems are full of water and flowers are fully opened or nearly open. Cut stems at a 45-degree angle below a leaf node using clean, sharp shears. Remove lower leaves to prevent stem rot. Change water every 2-3 days. For seed collection, allow final flowers to mature on the plant until petals drop and seed heads turn brown and dry (typically 30-40 days post-bloom); cut heads and hang upside down in a warm, dry location to cure for 2-3 weeks before extracting seeds.
Fun Facts
- 🌱 The peachy-salmon color in Sunburst Salmon is relatively rare among sunflowers and was developed through selective breeding to offer unique color options beyond traditional yellows and golds.
- 🌱 Sunflowers exhibit heliotropism when young—they track the sun's movement across the sky from east to west during the day, which maximizes photosynthesis and pollen warming for visiting pollinators.
- 🌱 A single Sunburst Salmon plant can produce 50-100+ seeds despite the double-petal formation, and saved seeds will typically grow true to type, making it easy to propagate for next year's garden.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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