How to Grow Rose of Sharon Pink Double
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Rose of Sharon Pink Double
Hibiscus syriacus 'Pink Double'
shrubRose of Sharon Pink Double is a deciduous ornamental shrub prized for its large, showy double pink flowers that bloom profusely in mid to late summer. This cultivar produces fully double blooms with ruffled petals and a compact, upright growth habit. It's a reliable, low-maintenance addition to gardens seeking long-season color and tropical appeal in temperate climates.
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Example Rose of Sharon Pink Double timeline · Pittsburgh, PA (Zone 6b)
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Plant Rose of Sharon Pink Double
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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Harvest Rose of Sharon Pink Double
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in USDA zones 5-9, with best performance in zones 6-8
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Establishment
First growing season (4-6 months)Newly planted shrub with developing root system and initial leaf emergence
Water regularly to establish roots. Mulch 2-3 inches around base, keeping away from stem. Avoid fertilizing first year.
Vegetative Growth
Spring through early summer (Year 1-2)Young plant develops sturdy stems and foliage; no flowers present
Apply balanced fertilizer in spring. Prune to shape in late winter/early spring. Remove any frost damage.
Flowering
Mid-July through September (8-12 weeks)Large double pink flowers appear in leaf axils; blooms are 3-4 inches across with ruffled petals
Deadhead spent flowers to encourage continuous blooming. Provide supplemental water during hot spells. Apply bloom-boosting fertilizer monthly.
Post-Bloom & Hardening Off
September through November (2-3 months)Flowering slows and stops; foliage begins to yellow and drop as temperatures cool
Reduce watering frequency. Do not fertilize after August to allow plant to harden off for winter.
Dormancy
December through March (3-4 months)Shrub is completely bare with bare branches; plant is fully dormant
Minimal watering needed. Prune for shape in late winter before bud break. Remove any damaged or crossing branches.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Hand-pick early morning or use Japanese beetle traps. Apply neem oil or insecticidal soap if severe. Encourage natural predators.
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Spray with strong water jet to dislodge. Use insecticidal soap or neem oil weekly for 2-3 weeks.
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Spray with insecticidal soap or neem oil. Encourage beneficial insects like ladybugs.
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Increase humidity with water spray. Apply miticide or sulfur-based fungicide if infestation is severe.
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Remove affected foliage. Improve air circulation. Apply sulfur or copper fungicide if necessary.
Uses
Edible Flowers
CulinaryRose of Sharon flowers are mildly edible and can be used as garnish in salads and beverages. They have a slightly tart, floral flavor and add visual appeal to culinary presentations. [source]
Traditional Herbal Use
MedicinalIn traditional Asian medicine, Hibiscus syriacus flowers and leaves are used to support immune function and respiratory health. Some cultures use a decoction for anti-inflammatory benefits. [source]
Cut Flower Arrangements
HouseholdThe large, showy double pink blooms make excellent fresh cut flowers for floral arrangements, lasting 1-2 days in a vase with fresh water. [source]
Pollinator Support
WildlifeAlthough double flowers produce less nectar than single varieties, they still attract butterflies, bees, and hummingbirds during mid to late summer when other nectar sources are limited. [source]
Ornamental Landscape Feature
CraftRose of Sharon Pink Double serves as a focal point in gardens and borders, providing summer color when many perennials are fading. Its tropical appearance complements both formal and cottage garden styles. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Not a harvested plant; grown ornamentally. Flowers are sterile (double petals prevent seed formation). Cut blooms for indoor arrangements in early morning when fully open.
Fun Facts
- 🌱 Rose of Sharon is the national flower of South Korea and holds cultural significance in East Asian gardens for centuries, despite its Middle Eastern and Indian origins.
- 🌱 The 'Pink Double' cultivar produces sterile double flowers—all petals and no reproductive parts—which means it blooms continuously without setting seed, dedicating all energy to spectacular flower production.
- 🌱 Rose of Sharon shrubs can live 50+ years and even reach 8-10 feet tall if not pruned, with some specimens in botanical gardens documented as over 100 years old.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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