Harris Seeds Petunia Shock Wave
Best high impact ground cover for low maintenance garden displays.
A prolific spreading petunia that blankets containers and hanging baskets in small, vibrant blooms. It is the earliest to flower in its class, offering a reliable and high-impact floral display for gardeners seeking quick, consistent results.
$10.74
at
Harris Seeds
Who it's for
- Gardeners seeking high-impact color for hanging baskets and containers
- Homeowners in climates prone to frequent summer thunderstorms
- Early-season planters wanting immediate color in their spring landscapes
Who should skip it
- Low-maintenance gardeners who prefer a plant and forget approach
- Budget-conscious growers looking to fill large areas at minimal cost
- Landscapers requiring large, oversized blossoms for maximum long-range visibility
Performance breakdown
Bloom density
Produces a thick, continuous carpet of color throughout the growing season.
Planting ease
Pelleted seeds make handling tiny petunia seeds significantly less frustrating.
Container suitability
Compact, mounded habit is perfectly optimized for hanging baskets and pots.
Flowering speed
Bred specifically for rapid maturity and early-season color impact.
Germination reliability
Consistent results when kept within the recommended warm temperature range.
Spread potential
Impressive 30-inch reach fills out containers quickly for a lush look.
Key Specs
Plant Type
Annual
Plant Height
7-10 inches
Plant Spread
30-36 inches
Germination Days
7-12 days
Soil Temperature
70-75°F
Seed Count
25 seeds
Seed Format
Pelleted
Treatment
Untreated
Know before you buy
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