Annuals

Petunia 'Kakegawa S28'

Supertunia® Royal Velvet® petunia

Representative purple petunia; exact Royal Velvet cultivar not confirmed. Photo: Forest and Kim Starr.

Deep violet-purple trumpets create a rich sweep of color above green foliage. Royal Velvet is a vigorous, mounding-to-trailing petunia for baskets, planters and border fronts. This listing retains the original Royal Velvet identity, not the newer Royal Velvet II.

At a glance

Sun: Full sun to part sun (4+ hours)
Mature size: 6–12 in. tall × 18–24 in. wide
Water: Regular moisture; well-drained soil
Bloom: Deep violet-purple; late spring–frost
Life cycle: Frost-tender annual locally

Sizes & prices

4.5''$5.99

Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.

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Resistance & tolerances

Deer: Usually less favored; species-level guidance, not browse-proof.
Drought: Some tolerance once established; avoid severe wilting.
Wet soil: Avoid soggy soil and standing water.
Heat: Tolerant.

Resistance is not a guarantee; deer and rabbits may browse any plant.

Pollinators & wildlife

Attracts: Butterflies, Hummingbirds
Evidence: Species-level guidance; cultivar habitat value varies.

Seasonal interest

Garden uses: Baskets, window boxes, containers and border fronts.
Habit: Mounding and trailing.

Growing & care

Planting: Plant outdoors after frost danger has passed.
Soil & drainage: Use a free-draining potting mix or well-drained garden soil.
Feeding: Feed containers weekly and beds every 1–2 weeks with a flowering-plant fertilizer at label rates.
Deadheading: Not needed.
Pruning: Trim long stems by up to 20% in midsummer; water and feed afterward.

Sources & photo credits

Royal Horticultural Society

Proven Winners

NC State Extension

Photo: Forest and Kim Starr · CC BY 3.0

Reviewed September 22, 2026. Growing conditions vary by location.