How to Grow Surfinia Lavender Storm
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Surfinia Lavender Storm
Petunia × hybrida 'Lavender Storm'
flowerSurfinia Lavender Storm is a trailing petunia cultivar known for its vibrant lavender-purple flowers with darker veining and compact, cascading growth habit. It's a heat-loving annual that produces abundant blooms throughout the growing season and is ideal for hanging baskets, containers, and window boxes. This variety is part of the Surfinia series, bred specifically for superior trailing performance and continuous flowering.
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Example Surfinia Lavender Storm timeline · Pittsburgh, PA (Zone 6b)
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Plant Surfinia Lavender Storm
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 Surfinia Lavender Storm blooms
Around Jun 1≈ 45 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Surfinia Lavender Storm dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives as an annual in zones 2-11; perennial in zones 10-11. Best performance in zones 5-9 with warm summers.
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Seedling
2-3 weeksTiny seedlings with first true leaves emerging; very delicate and slow-growing initially
Maintain consistent moisture and warm temperatures (70-75°F). Provide bright indirect light. Keep soil surface moist but not soggy to prevent damping off.
Vegetative Establishment
3-4 weeksYoung plants developing multiple leaves and branching structure; gradually becoming bushier
Pinch back growing tips when 2-3 inches tall to encourage branching. Transition to sunlight gradually. Begin fertilizing weekly with balanced fertilizer at half strength.
Pre-Flowering
2-3 weeksPlant is fuller with many stems and buds beginning to form at branch tips
Increase fertilizer to full strength, shifting toward higher phosphorus formula to encourage blooming. Continue pinching if desired for fuller form. Ensure consistent watering and sunlight.
Flowering
8-12 weeks (spring through fall, or year-round in mild climates)Abundant lavender-purple flowers with darker veining blooming continuously along trailing stems; plant may appear almost completely covered in blooms
Deadhead spent flowers regularly to maintain continuous blooming. Continue fertilizing every 7-10 days with bloom-promoting formula. Monitor for pests and diseases, particularly in humid conditions. Water consistently.
Decline/Dormancy
4-8 weeks (autumn through early winter)As temperatures cool in fall, flowering slows; foliage may lose vigor
Reduce fertilizer frequency. Cut back watering slightly as growth slows. In frost-free zones, the plant may regrow from cuttings or overwintering; in cold zones, treat as finished annual.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with strong water stream or insecticidal soap; introduce beneficial insects like ladybugs
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Increase humidity; spray with neem oil or miticide; ensure good air circulation
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Yellow sticky traps; insecticidal soap; neem oil; reflective mulch
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and
Hand-pick, particularly at dusk; create barriers of coarse materials; use slug baits if needed
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Remove affected flowers; insecticidal soap; neem oil; encourage predatory insects
Uses
Container & Hanging Basket Display
HouseholdSurfinia Lavender Storm's trailing growth habit and abundant flowering make it ideal for hanging baskets, window boxes, and container arrangements. A single plant can fill a 12-inch basket and create a spectacular cascading display of lavender blooms throughout the season. [source]
Cut Flower Arrangements
HouseholdThe attractive lavender-purple flowers with darker veining provide lovely color for fresh floral arrangements. Stems can be harvested in the morning and last several days in water, adding a delicate trailing element to bouquets. [source]
Pollinator Attraction
WildlifePetunias attract bees, butterflies, and other pollinators with their abundant nectar-rich flowers. The continuous blooming provides extended nectar sources throughout the growing season for beneficial insects. [source]
Garden Landscape Design
HouseholdThe lavender color and trailing form create elegant visual effects when used as edging, spillover elements in mixed borders, or as focal points on patios and decks. The uniform bloom and growth habit provide reliable color throughout the season. [source]
Vertical Gardening & Space-Saving
HouseholdIdeal for small gardens, patios, and balconies where vertical or container growing maximizes limited space. A few hanging baskets can create substantial color impact in minimal footprint. [source]
Harvest Tips
Petunias are ornamental flowers, not harvested for production, but deadheading (removing spent blooms) is essential to maintain vigor and continuous flowering. Pinch off faded flowers at the base of the bloom stalk. For cut flowers, harvest stems in early morning when flowers are fresh, cutting just above a leaf node. Surfinias typically bloom continuously from late spring through first frost without requiring a rest period.
Fun Facts
- 🌱 The Surfinia series was developed in Japan and revolutionized petunia breeding by selecting specifically for trailing habits and compact branching, making them superior to older petunia varieties for baskets and containers.
- 🌱 Petunias are related to potatoes and tomatoes—they're all members of the Solanaceae (nightshade) family, and like those relatives, petunias were domesticated in Mexico and South America.
- 🌱 The 'Lavender Storm' cultivar name reflects the profusion of blooms; a well-grown plant can produce hundreds of flowers over a season, often completely obscuring the foliage with its lavender-purple coloration.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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