How to Grow Petunia 'Double Salmon'
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Petunia 'Double Salmon'
Petunia × hybrida 'Double Salmon'
flowerPetunia 'Double Salmon' is a double-flowered ornamental variety producing full, ruffled blooms in warm salmon-pink tones. These hybrid petunias are vigorous, prolific bloomers that flower continuously from spring through fall frost. They're excellent for containers, beds, and hanging baskets, bringing cheerful color to gardens with minimal maintenance.
When should you plant Petunia 'Double Salmon' in your zone?
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Example Petunia 'Double Salmon' timeline · Pittsburgh, PA (Zone 6b)
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Plant Petunia 'Double 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 Petunia 'Double Salmon' blooms
Around Jun 16≈ 60 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 2-11 as an annual; perennial in zones 9-11
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Seedling
2-3 weeksTiny leaves emerge from seed; plant develops first true leaves within 10-14 days
Keep soil warm (70-75°F) and moist. Provide bright, indirect light. Thin seedlings to prevent crowding and fungal issues.
Vegetative Growth
3-4 weeks after transplantPlant develops bushy foliage with multiple stems; no flowers yet. Height increases to 6-12 inches depending on variety
Pinch growing tips early to encourage bushier shape. Transplant when 4-6 true leaves appear. Harden off before moving outdoors.
Budding & Early Bloom
2-3 weeksFlower buds form at branch tips; first double blooms begin to open, revealing ruffled salmon-pink petals
Ensure full sun and consistent moisture. Begin light fertilizing weekly with balanced or bloom-promoting formula. Provide support if needed.
Peak Flowering
6-8 weeks or until frostPlant is covered in full, double salmon-pink blooms; continuous flowering occurs if deadheaded regularly
Deadhead spent flowers 2-3 times weekly to maximize blooming. Fertilize weekly. Water deeply but avoid overhead watering. Pinch back leggy growth.
Late Season & Decline
Until frost (varies by region)In cool fall weather, flowering may slow; plant remains attractive but produces fewer blooms
Continue deadheading and watering. In frost-prone zones, pull plants before first hard frost. Cut back to 3-4 inches if overwintering indoors in zones 9-11.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; use insecticidal soap or neem oil; introduce ladybugs
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Yellow sticky traps; insecticidal soap; neem oil applied to leaf undersides
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Improve air circulation; deadhead spent flowers; avoid wetting foliage; fungicide if severe
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Increase humidity; spray with water; insecticidal soap; neem oil
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and
Remove debris; hand-pick; beer traps; copper tape around containers
Uses
Container & Landscape Beauty
HouseholdPetunia 'Double Salmon' is prized for hanging baskets, window boxes, pots, and garden beds where its abundant double blooms provide long-season color. The full, ruffled flowers create a lush, cottage-garden aesthetic with minimal effort. [source]
Pollinator Support
WildlifePetunias attract bees, butterflies, and hummingbirds, making them valuable for supporting pollinator populations. The double form produces less nectar than single varieties but still offers some value to beneficial insects. [source]
Cut Flowers & Arrangements
CraftThe sturdy, ruffled double blooms hold up reasonably well in flower arrangements and bouquets. Harvest in early morning and place immediately in water for best vase life (3-5 days). [source]
Seasonal Color & Garden Design
HouseholdThe warm salmon-pink hue complements warm-toned plantings and adds visual interest to mixed containers and borders. Excellent for creating cohesive color schemes in formal or informal garden spaces. [source]
Harvest Tips
Petunias are ornamental flowers meant for display; deadhead (pinch off spent blooms) regularly to encourage continuous flowering. For seed collection, allow a few flowers to fade and dry on plant; collect seed pods when papery and brown. Double varieties may not produce viable seeds.
Fun Facts
- 🌱 Petunia 'Double Salmon' and other double-flowered petunias are sterile hybrids, meaning they cannot produce viable seeds; this is why they bloom so prolifically—the plant continues flowering in a futile attempt to set seed.
- 🌱 Petunias are native to South America and were first cultivated by the Tupi people; the name 'petunia' comes from the Tupi word 'petun,' meaning tobacco plant.
- 🌱 Modern double petunias are tetraploid (four sets of chromosomes) rather than diploid, which gives their flowers the characteristic full, ruffled appearance and larger size compared to wild-type petunias.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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