Petunia Shock Wave Seed
Best choice for gardeners wanting vibrant, cascading blooms in small containers.
These spreading petunias offer a high-impact, cascading display that blankets containers in a sophisticated blue-purple gradient. While you sacrifice the variety of a mixed garden bed for this singular, controlled look, you gain a remarkably early, consistent bloom that stays vibrant all season long.
$10.74
at
Harris Seeds
Who it's for
- Gardeners needing fast-growing coverage for containers and hanging baskets
- Designers seeking a sophisticated, unique color palette for landscapes
- Busy homeowners wanting low-maintenance, weather-resilient floral displays
Who should skip it
- Budget-conscious gardeners looking for inexpensive seed options
- Seed-saving enthusiasts who prefer heirloom or open-pollinated varieties
- Novice gardeners lacking experience with delicate, light-dependent seed starting
Performance breakdown
Bloom Density
The plant blankets itself in flowers for a high-impact visual display.
Growth Habit
Controlled spreading makes it perfect for tidy hanging baskets and containers.
Germination Speed
Reliable sprouting within two weeks ensures a quick start to gardening.
Flowering Window
Early, synchronized blooming creates a consistent look across the entire plant.
Color Aesthetic
Sophisticated blue-purple transitions offer a premium look for modern landscapes.
Cultivation Ease
Straightforward transplanting requirements make this accessible for most home gardeners.
Key Specs
Soil Temperature
70-75°F
Germination Lighting
Don't Cover Seed
Germination Days
7-12 Days
Grow on Temperature Day
65-70°F
Grow on Temperature Night
60-65°F
Plant Spread
30-36 inches
Plant Height
7-10 inches
Plant Type
Annual Flower
Planting Method
Transplant
Know before you buy
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