How to Grow Summer Showers Geranium
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Summer Showers Geranium
Pelargonium peltatum 'Summer Showers'
flowerSummer Showers is a trailing ivy geranium cultivar known for its cascading growth habit and abundant flower clusters in shades of pink, red, purple, or white. It's a tender perennial typically grown as an annual, perfect for hanging baskets, containers, and window boxes. The plant produces semi-double to double flowers throughout the warm season with minimal deadheading required.
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Example Summer Showers Geranium timeline · Pittsburgh, PA (Zone 6b)
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Plant Summer Showers Geranium
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 Summer Showers Geranium blooms
Around Jun 1≈ 45 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Zones 10-11; grown as annual elsewhere or overwintered indoors
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Seedling
2-3 weeksTiny plants with 2-4 true leaves emerging from cotyledons
Keep soil moist but not soggy; provide bright light; maintain 65-75°F; pot on when roots fill container
Vegetative/Establishment
3-4 weeksYoung plants developing trailing stems and more foliage; no flowers yet
Pinch growing tips to encourage branching; ensure full sun and good drainage; fertilize weekly with balanced fertilizer; harden off before outdoor planting
Branching & Growth
2-3 weeksPlant develops multiple trailing stems with increased leaf density
Continue light pinching if needed for fuller habit; maintain consistent moisture; start transitioning to lower-nitrogen fertilizer to encourage flowering; monitor for pests
Flowering
8-12 weeks or longer until frostAbundant clusters of semi-double or double flowers appear along trailing stems; continuous blooming through warm season
Fertilize every 2 weeks with bloom-promoting formula (higher phosphorus); deadhead spent flowers for prolonged blooming (though self-cleaning); maintain full sun and good air circulation; water consistently but avoid wetting foliage
Late Season/Decline
Until frost or as managedFlowering may slow as temperatures cool; plants become leggy if light is reduced
In warm zones, may continue blooming; in cooler climates, bring indoors before first frost and cut back by 1/3; reduce watering and fertilizing for winter dormancy; can be overwintered in cool (50-60°F), bright location
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; ensure good air circulation and avoid overhead watering
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Use yellow sticky traps; spray with insecticidal soap or neem oil; isolate infested plants from others
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Remove with cotton swab dipped in rubbing alcohol; apply horticultural oil or insecticidal soap; treat regularly until resolved
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Hand-pick damaged buds; use Bacillus thuringiensis (Bt) if infestation is severe
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Improve air circulation; avoid wetting foliage; apply sulfur dust or fungicide spray; remove heavily affected leaves
Uses
Scented geranium tea alternative
CulinarySome ivy geranium varieties (especially scented types) have aromatic foliage that can be used fresh in tea or as a garnish. Summer Showers foliage is mildly aromatic and can add subtle flavor to beverages or fruit dishes. [source]
Long-blooming container and hanging basket displays
HouseholdSummer Showers is a premier choice for seasonal color in containers, window boxes, and hanging baskets, providing weeks of prolific flowering with minimal maintenance. Its trailing habit makes it ideal for cascading arrangements in public and private spaces. [source]
Cut flower arrangements and floral displays
CraftThe dense, colorful flower clusters are excellent for fresh or dried arrangements. Cut sprays with blooms can extend room decoration, though they have a shorter vase life than some flowers. [source]
Pollinator attraction
WildlifeGeranium flowers attract bees, hoverflies, and other beneficial pollinators, supporting local ecosystems. Continuous flowering throughout summer provides sustained forage for pollinator populations. [source]
Traditional herbal remedy
MedicinalPelargonium species have been used in traditional medicine for respiratory and immune support, though scientific evidence is limited. Consult healthcare providers before using any plant medicinally. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Deadhead spent flower clusters regularly to promote continuous blooming. Pinch or remove spent flowers just below the base of the flower truss. In zones outside 10-11, grow as annual for the season; at first frost, cut back by 1/3 and bring indoors to overwinter in a bright, cool location, or propagate new plants from cuttings in late summer. Cuttings taken in August root readily and provide fresh plants for next season.
Fun Facts
- 🌱 Summer Showers is part of the ivy geranium (Pelargonium peltatum) group, which differs from zonal geraniums (Pelargonium hortorum) by its trailing, ivy-like foliage and preference for cooler temperatures.
- 🌱 This cultivar is largely self-cleaning, meaning many spent flowers drop naturally without deadheading, though light removal of dead clusters encourages more blooms.
- 🌱 Despite being a tender perennial, Summer Showers can be overwintered indoors or propagated easily from cuttings, allowing gardeners to save and rejuvenate plants year after year with minimal effort.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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