Easy Wave Purple

Family: Solanaceae Garden Petunia

Planting Schedule

Provide your location or planting zone to unlock dates and add Easy Wave Purple to a garden.

Velvety, easy-to-love blooms spill over the edge with a soft, violet-purple glow—each flower opening like a small evening lantern.

“Easy Wave Purple” forms a trailing, spreading mound that stays lush and floriferous through warm weather, with a gentle, satin-like petal texture that looks as good as it feels. Grow it for nonstop color in hanging baskets, window boxes, and garden drifts where its cascading habit turns any border into a living tapestry.

Light: Full SunMaturity: 70 DaysHabit: Spreading

Botanical illustration of Easy Wave Purple

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Easy Wave Purple Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Protected Environment Only
Zone 2a	Mar 16th	May 25th	Aug 3rd – Aug 29th
Zone 2b	Mar 6th	May 15th	Jul 24th – Aug 25th
Zone 3a	Mar 6th	May 15th	Jul 24th – Sep 1st
Zone 3b	Mar 10th	May 19th	Jul 28th – Sep 21st
Zone 4a	Mar 6th	May 15th	Jul 24th – Sep 24th
Zone 4b	Mar 4th	May 13th	Jul 22nd – Sep 27th
Zone 5a	Feb 27th	May 8th	Jul 17th – Sep 30th
Zone 5b	Feb 23rd	May 4th	Jul 13th – Oct 5th
Zone 6a	Feb 20th	May 1st	Jul 10th – Oct 10th
Zone 6b	Feb 14th	Apr 25th	Jul 4th – Oct 16th
Zone 7a	Feb 9th	Apr 20th	Jun 29th – Oct 20th
Zone 7b	Jan 30th	Apr 10th	Jun 19th – Oct 28th
Zone 8a	Jan 21st	Apr 1st	Jun 10th – Nov 5th
Zone 8b	Jan 12th	Mar 23rd	Jun 1st – Nov 12th
Zone 9a	Dec 26th	Mar 6th	May 15th – Nov 26th
Zone 9b	Dec 1st	Feb 9th	Apr 20th – Dec 9th
Zone 10a	Continuous Production
Zone 10b	Continuous Production
Zone 11a	Continuous Production
Zone 11b	Continuous Production
Zone 12a	Continuous Production
Zone 12b	Continuous Production
Zone 13a	Continuous Production
Zone 13b	Continuous Production

Crop Details

Trait	Value
Days to Maturity	70
Sun Requirements	Full Sun
Growth Habit	Spreading
Support Needed	None
Planting Depth	Surface
Germination Temp (°F)	75
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	7

Frequently Asked Questions

What pest is most likely on Petunia × atkinsiana (Wave Purple), and how do I control it?

A common issue is aphids, which cluster on new growth and can cause curled leaves and sticky honeydew. Spray the plants with a strong jet of water, then treat with insecticidal soap (especially underside of leaves) every 5–7 days until you stop seeing new colonies. Check weekly because petunias can rebound quickly once aphids are controlled.

How often should I water Petunia × atkinsiana during active flowering, and what soil moisture target should I keep?

During the main flowering period, keep the root zone evenly moist but not soggy—aim for consistently moist soil 1–2 inches down. Water when the surface starts to dry, typically about 1–2 times per week depending on heat and container size; in midsummer containers often need more frequent watering. Avoid letting the soil dry out completely, which can trigger drooping and reduced flowering.

How can I tell when Petunia × atkinsiana (Wave Purple) is ready to harvest?

Petunia × atkinsiana isn’t usually “harvested” like a vegetable, but it is ready to cut for bouquets once it’s producing fully open, richly colored blooms. For best performance, deadhead by removing spent flowers and the seed heads immediately when they fade to keep flowering through the ~70-day growing period. If you want seeds, allow a few flowers to fully develop seed pods and turn brown before collecting.