Plants that bloom in September in Zone 11 with red flowers

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.

Celosia

Flame-shaped or crested flowers in electric colors that dry beautifully. Heat lovers that thrive in summer.

Drift Rose

Groundcover rose that stays low and spreads wide. Tough, disease-resistant, and constantly in bloom.

Hawaiian Hibiscus

Large tropical blooms in vivid colors appear repeatedly from spring through fall.

Mandevilla

Glossy vines are covered in showy trumpet flowers from early summer to frost in warm climates.

Pelargonium

The classic window-box geranium. Ball-shaped flower clusters above scalloped leaves. Tough container staple.

Purple Fountain Grass

Burgundy foliage topped with fuzzy rose-colored plumes. Stunning in containers where it's treated as an annual in cold climates.

Scarlet Sage

Electric red spikes that hummingbirds zero in on. Common bedding plant that earns its spot every year.

Wax Begonia

Glossy leaves and nonstop flowers in sun or shade. One of the most reliable bedding plants anywhere.