Plants that bloom in August in Zone 11 with purple flowers

Annual Vinca

Glossy-leaved heat champion (botanically unrelated to true Vinca minor) that blooms through humidity that wilts everything else.

Bachelor's Button

True cornflower blue that almost no other flower can match. Cottage garden classic that self-sows reliably.

Bougainvillea

Explosive cascades of papery magenta, hot pink, or coral bracts that smother walls, fences, and pergolas with nonstop color from spring through fall in zones 9 to 11.

Calibrachoa

Mini petunias that bloom nonstop in hanging baskets. Dozens of color options and no deadheading needed.

Cleome

Spider-flower with whisker-like stamens and airy blooms. Tall, dramatic annual that self-sows freely.

Coleus

Grown for kaleidoscopic foliage, not flowers. Pinch blooms to keep energy in the leaves.

Globe Artichoke

Bold silvery foliage and large thistle-like buds are both decorative and edible.

Lisianthus

Rose-like ruffled blooms with the vase life of a chrysanthemum. The flower farmer's secret weapon for high-end arrangements.

Pentas

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

Scabiosa

Pincushion blooms on long wiry stems dance over fine foliage. Pollinator magnet that keeps producing if you keep cutting.

Statice

Stiff papery flower clusters that dry to keep their color for years. A cut-flower farmer staple for wreaths and dried bouquets.

Tall Verbena

Wiry stems topped with purple clusters that butterflies can't resist. See-through plant for layering.