Plants that bloom in September in Zone 6 with yellow flowers

American Gold Rush Black-Eyed Susan

Narrow, fuzzy foliage resists the leaf spot that plagues Goldsturm. A worthy upgrade.

Black-Eyed Susan

Golden prairie workhorse that lights up late summer meadows.

Blanket Flower

Fiery bicolor pinwheels that bloom nonstop in the worst heat and soil.

California Poppy

Golden cups that carpet hillsides across the state. Closes at night and on cloudy days.

Celosia

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

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.

Compass Plant

Tall stems with large yellow daisies tower over deeply cut basal leaves that align north-south.

Coneflower

Tough prairie native with long bloom season and medicinal history.

Dahlia

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

False Sunflower

Cheerful golden-yellow daisies that bloom for months on a tough native perennial. The sunniest, most reliable workhorse in the border.

Giant Coneflower

Towering stems with dramatically elongated cones rise above huge blue-green paddle leaves. An architectural native that commands attention.

Goldenrod

Wrongly blamed for allergies. A vital late-season pollinator magnet.

Goldsturm Black-Eyed Susan

The gold standard rudbeckia. Uniform, floriferous, and utterly reliable in any soil.

Graham Thomas Rose

Rich golden-yellow cups with an intense tea rose fragrance. David Austin's most famous creation.

Happy Returns Daylily

Lemon-yellow rebloomer with light fragrance. A bit taller than Stella with softer color.

Helenium

Warm-toned daisy-like flowers with raised centers bloom as summer turns to fall. Loves moist soil.

Ice Plant

Neon-bright daisy flowers that shimmer in the sun over succulent foliage. Thrives in hot, dry rock gardens.

Indian Grass

Golden-orange fall color and shimmering flower spikes make this tall prairie native one of autumn's best performers.

Indian Summer Rudbeckia

Massive 6-9 inch golden daisies on a short-lived plant. Bigger and bolder than perennial black-eyed susans.

Marigold

Bulletproof color all season long. The workhorse of warm-toned borders.

Mexican Hat

Distinctive sombrero-like flowers sway on wiry stems in summer prairies.

Petunia

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

Prairie Dock

Huge basal leaves and tall stalks topped with yellow daisies give strong prairie structure.

Rose

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

Sedum

Succulent leaves, tough as nails. Ages to deep crimson in autumn.

Showy Goldenrod

Upright spikes of bright yellow flowers feed late-season pollinators on dry prairies.

Snapdragon

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

Stella de Oro Daylily

The most planted perennial in America. Compact, reblooming, and basically indestructible.

Sunflower

Pure joy on a stalk. Birds love the seeds, kids love the spectacle.

Thread-Leaf Coreopsis

Thread-fine foliage and masses of tiny yellow stars bloom for months with zero effort. A perennial you can actually neglect.

Tickseed

Cheerful native daisy that blooms for months with almost no care.

Trumpet Vine

Aggressive native vine with fiery trumpets. Hummingbird highway.

Water Lily

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

Yarrow

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

Zinnia

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