Plants that bloom in September in Zone 7 with white flowers

Acidanthera

Arching stems hold fragrant white blooms with a deep maroon throat. Peacock orchid, the elegant late-summer cousin of the bold gladiolus.

Annual Vinca

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

Aster

The grand finale of the garden season. Essential for fall pollinators.

Bells of Ireland

Tall green spikes lined with bell-shaped calyces. A florist favorite that brings architectural lime-green texture to any arrangement.

Bobo Hydrangea

Dwarf paniculata smothered in blooms. Perfect front-of-border plant that needs almost no care.

Butterfly Bush

Long, arching flower wands that butterflies absolutely lose their minds over.

Cafe au Lait Dahlia

Dinner plate blooms up to 10 inches across in a creamy blush-beige tone florists have built entire wedding industries around.

Cheyenne Spirit Coneflower

A rainbow mix of coneflower colors from a single seed strain. Every plant is a surprise.

Chrysanthemum

The fall icon. Mounds of color when everything else is fading.

Clematis

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

Cleome

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

Colchicum

Crocus-like blooms appear in fall on bare stems without leaves. Plant them and forget them, they will surprise you every September.

Coneflower

Tough prairie native with long bloom season and medicinal history.

Cosmos

Airy, dancing flowers on thread-thin stems. Effortless cottage garden charm.

Crape Myrtle

The tree of the South. Months of crinkled blooms and gorgeous peeling bark.

Dahlia

Endless forms from dinner-plate to pompom. The obsession of flower farmers.

Double Delight Rose

Creamy white petals blush to strawberry red at the edges. Knockout fragrance matches the looks.

Fire Light Hydrangea

Upright cones open pure white and transform to deep pomegranate red as the season ages. Strong stems that never need staking.

Flowering Tobacco

Tubular flowers that release sweet fragrance at dusk. A cottage garden classic that attracts moths and hummingbirds.

Fountain Grass

Arching, bottlebrush plumes that catch the light. Movement in the garden.

Galtonia

Tall spikes of nodding white bells with a subtle fragrance. Summer hyacinth, the heat-loving cousin of the spring classic.

Garden Phlox

Billowing clusters of fragrant summer color. A butterfly magnet.

Gomphrena

Papery clover-shaped pom-poms on wiry stems. Drought-proof, deer-proof, and dries perfectly for winter arrangements.

Hardy Hibiscus

Dinner-plate blooms up to 12 inches across on a native perennial that dies to the ground and returns bigger each year.

Henryi Clematis

Large, pure white flowers with dark brown anthers rebloom in fall. Elegant, classic, and undeniably refined.

Hydrangea

Massive mophead blooms that shift color with soil pH. Showstoppers.

Iceberg Rose

Pure white floribunda clusters that bloom non-stop from spring to frost. Among the most planted roses in the world and bulletproof in any climate.

Immortality Iris

Reliable rebloomer with pure white ruffled falls. Blooms spring, then again in fall.

Impatiens

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

Japanese Anemone

Graceful, swaying blooms on tall stems. Elegant in partial shade.

Lantana

Multi-colored flower clusters that bloom relentlessly in brutal heat.

Liatris

Blazing star. Spikes that bloom unusually from top to bottom.

Limelight Hydrangea

Cone-shaped blooms open chartreuse, mature to white, then blush pink in fall. Tough as nails.

Lisianthus

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

Little Lime Hydrangea

Compact Limelight. Same color show in a smaller package perfect for borders and containers.

Little Quick Fire Hydrangea

Compact form of Quick Fire that blooms early on a container-sized plant. Same flame-toned color shift in a much smaller footprint.

Maiden Grass

Narrow arching foliage creates elegant vase shapes topped with coppery pink plumes in fall.

Miscanthus

Tall, graceful plumes that persist through winter. Living architecture.

Morning Glory

Fast-climbing vine with trumpets that open fresh every morning.

Morning Light Miscanthus

Fine white-edged foliage shimmers in morning light, then silver plumes arch above in fall.

Obedient Plant

Spikes of snapdragon-like flowers that can be pushed and stay where moved, earning a very literal common name.

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.

Phantom Hydrangea

Huge cone blooms up to 15 inches long open white and age to dusty pink. One of the largest flowered paniculatas you can grow.

Pinky Winky Hydrangea

Two-tone blooms with white tips and pink bases. Strong stems hold heavy flower heads upright.

Portulaca

Succulent-leaved sun lover with silky rose-like blooms that thrives where pavement, rock, or sand defeats everything else.

Quick Fire Hydrangea

Blooms a full month before other paniculatas. White cones age to deep rosy pink by fall.

Rose

The queen of the garden. Modern varieties are surprisingly low-maintenance.

Rose Mallow

Enormous pale pink blooms up to 12 inches across on a wetland-loving native. Grow near a pond and you'll never look back.

Rose of Sharon

A cold-hardy hibiscus shrub (Hibiscus syriacus) with big tropical-looking blooms in lavender, pink, blue, white, or wine, opening late summer when most flowering shrubs are done.

Royal Standard Hosta

Glossy green leaves and pure white fragrant flowers on tall stems. Takes more sun than most hostas and perfumes the entire shade garden.

Salvia

Vertical flower spikes that hummingbirds and bees cannot resist.

Scabiosa

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

Snapdragon

Vertical flower spikes with squeeze-open blooms. Kids love them.

Statice

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

Stokes Aster

Fringed, shaggy-petaled flowers in shades of cornflower blue that bloom for weeks on a tough Southern native.

Strawberry Sundae Hydrangea

Compact paniculata cones open creamy white, blush pink in summer, then deepen to strawberry red as fall arrives.

Strawflower

Papery petals that already look like dried flowers when fresh. The original everlasting, hanging on long after every other bloom fades.

Sweet Alyssum

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

Sweet Autumn Clematis

Explosive late-summer bloom of thousands of tiny fragrant white flowers. Vigorous to a fault.

Tall Phlox David

Pure white fragrant phlox with the best mildew resistance in the species. A reliable, clean performer for the late-summer garden.

Toad Lily

Orchid-like spotted flowers when everything else is done. A late-season shade garden gem.

Tuberose

Tall summer spikes of waxy white blooms release powerful evening fragrance.

Turtlehead

Snapdragon-like flowers shaped exactly like a turtle's head. Loves wet feet.

Vanilla Strawberry Hydrangea

Cone blooms open creamy white, age to soft pink, then deepen to strawberry red while new white cones keep emerging above them.

Water Lily

Floating jewels that transform any pond. Pads provide shade for fish while flowers dazzle above.

White Swan Coneflower

Pure white drooping petals around a bronze-orange cone. Elegant and underused.

Yarrow

Flat-topped clusters on ferny foliage. Thrives on neglect in poor soil.

Zebra Grass

Horizontal yellow bands cross the blades in a pattern unique among ornamental grasses. Bold and architectural.

Zinnia

Easy-grow annual with electric colors. Cut-and-come-again champion.