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Seaside Petunia

Calibrachoa parviflora

Last reviewed: August 2026

Seaside Petunia (Calibrachoa parviflora)
Photo: Alex Abair / Wikimedia Commons (CC BY 4.0)

Toxicity unknown

Seaside Petunia (Calibrachoa parviflora) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

medium

Size

4"–12" H × 6"–18" W

Bloom

May, Jun, Jul, Aug, Sep

Pollinators

bees, butterflies

Native alternatives to Seaside Petunia

Seaside Petunia is not native to the United States. These natives fill a similar role in a planting, matched on bloom season, bloom color and mature size.

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Seaside petunia is a low-growing annual wildflower that produces small, colorful blooms from late spring through early fall. This compact plant forms spreading mats of foliage topped with delicate petunia-like flowers that attract pollinators throughout the growing season.

In an HOA neighborhood

Seaside Petunia takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Annual nature means seasonal gaps in coverage
  • May appear too wild or informal for front yard standards
  • Small stature could look sparse in formal landscapes

Wildlife value

The flowers provide nectar for bees and butterflies during its extended blooming period from May through September.

Common questions

How much sun does Seaside Petunia need?
Seaside Petunia grows best in full sun conditions.
When does Seaside Petunia bloom?
Seaside Petunia blooms in May, June, July, August, and September.
What pollinators does Seaside Petunia attract?
Seaside Petunia draws bees and butterflies.
Is Seaside Petunia HOA-friendly?
Seaside Petunia takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Seaside Petunia? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Planning a bed around it? Start a free plan with this plant

Not sure where to start? Take the 2-minute yard quiz