SproutSmart
SproutSmart Intelligent Garden Sowing

Tidal Wave Silver

Petunia

Planting Schedule

Add Tidal Wave Silver to your garden to build a schedule and get reminders.
Botanical illustration of Tidal Wave Silver
70d to harvest

A silver-edged spectacle that catches the light like moonlit lace—Tidal Wave Silver spills in a trailing cascade of soft, luminous blooms with cool-toned, subtly veined petals. Expect a velvety, petal-rich texture and a dense, spreading habit that blankets containers and beds with long-lasting color from early summer through fall. Grow it for show-stopping mass color in hanging baskets, window boxes, and tumbling borders where its trailing presence becomes the centerpiece.

Crop Dates

Growing note: Frost-free Zone 11a supports continuous outdoor production.
MilestoneDate
ClimateFrost-Free Climate
Growing ApproachContinuous Production

Crop Details

TraitValue
Days to Maturity70
Sun RequirementsFull SunFull sun
Growth HabitSpreading
Support NeededNone
Planting DepthSurface
Germination Temp (°F)75
Min Soil Temp (°F)55
Min Night Temp (°F)50
Harden Off (days)7

Frequently Asked Questions


What pest or disease issue commonly affects Petunia × atkinsiana (Tidal Wave Silver), and how can I treat it?
Watch for powdery mildew and botrytis gray mold, especially when plants stay wet overnight or airflow is poor. Remove affected leaves, water at the soil line (not the foliage), and space plants so they aren’t touching; for mildew, use a labeled fungicide and repeat as directed. If you see persistent aphids or whiteflies, spray with insecticidal soap and reapply every 5–7 days until numbers drop.
How do I know when Tidal Wave Silver petunias are ready to harvest or are at peak bloom?
Petunia × atkinsiana isn’t harvested for fruit; readiness is measured by flowering performance. At about 70 days from sowing (typical maturity), expect consistent blooms with strong, cascading growth in full sun. For peak “harvest” of flowers, pinch or snip spent blooms when they start to look dull or drop petals—new buds should follow within about a week if light and moisture are right.
Botanical illustration of Tidal Wave Silver

A silver-edged spectacle that catches the light like moonlit lace—Tidal Wave Silver spills in a trailing cascade of soft, luminous blooms with cool-toned, subtly veined petals. Expect a velvety, petal-rich texture and a dense, spreading habit that blankets containers and beds with long-lasting color from early summer through fall. Grow it for show-stopping mass color in hanging baskets, window boxes, and tumbling borders where its trailing presence becomes the centerpiece.