Plants that bloom in May in Zone 10 with lavender flowers

Catmint

Billowy lavender-blue haze that blooms all season if you shear it back.

Clematis

The queen of flowering vines. Over 300 species, something for every spot.

Creeping Phlox

An evergreen sun-loving groundcover that smothers walls, slopes, and rock gardens in dense pink, purple, blue, lavender, or white sheets every April and May.

Impatiens

The shade annual champion. Flowers prolifically where nothing else will.

Iris

Elegant sword-leaved perennials with intricate, ruffled blooms.

Pentas

Star-shaped flower clusters that hummingbirds and butterflies hit on every pass. Blooms nonstop in heat that stops impatiens cold.

Petunia

Cascading color for containers and beds. Blooms nonstop until frost.

Rosemary

Aromatic evergreen herb with tiny blue flowers loved by early bees. Needs excellent drainage.

Stock

Dense spikes of clove-scented blooms in soft pastels. Cool-season cut flower that fills a room with spicy perfume.

Sweet Alyssum

Honey-scented carpet of tiny flowers. The best living edging plant.

Sweet Pea

Ruffled, intensely fragrant climbing flowers in every pastel shade. Cool-season annual that hates heat.

Vinca

Evergreen mat with periwinkle-blue flowers. Tough shade ground cover.

Wisteria

Cascading, fragrant racemes that create a dreamy canopy. Needs structure.