Plants that bloom in July in Zone 4 with purple flowers

Anise Hyssop

Lavender-blue spikes with licorice-scented foliage. A pollinator powerhouse that blooms for months.

Astilbe

Feathery plumes that light up shady, moist spots like nothing else can.

Bee Balm

Shaggy, crown-shaped flowers that hummingbirds fight over.

Bela Lugosi Daylily

Deep, near-black purple with a small yellow-green throat, the darkest and most dramatic daylily you can grow.

Caradonna Salvia

Dark purple stems set this apart from every other salvia. Vertical, architectural, electric.

Cat's Meow Catmint

Tidy, dome-shaped habit that never flops open. Stays compact without shearing.

Catmint

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

Cheyenne Spirit Coneflower

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

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.

Coneflower

Tough prairie native with long bloom season and medicinal history.

Creeping Thyme

Fragrant, walkable ground cover. Bees love it, foot traffic can't kill it.

Dahlia

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

Daylily

Virtually indestructible perennial with trumpet blooms in every warm hue.

Delphinium

Towering spires of true blue. The tallest, most dramatic back-of-border plant.

Endless Summer Hydrangea

Reblooms on old and new wood, so you get flowers even after a harsh winter. Color shifts with soil pH.

Foxglove

Stately spires of spotted, bell-shaped flowers. Cottage garden royalty.

Garden Phlox

Billowing clusters of fragrant summer color. A butterfly magnet.

Globe Thistle

Perfectly spherical steel-blue globes on white stems that dry to perfection. Bees are absolutely obsessed.

Golden Tiara Hosta

Small, fast-spreading mound with chartreuse-gold margins and one of the easiest hostas you can grow.

Impatiens

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

Jackmanii Clematis

The classic large-flowered clematis since 1858. Deep violet-purple blooms cover the vine midsummer.

Japanese Iris

Huge, flat, ruffled blooms up to 10 inches across. Needs consistent moisture, especially during bloom.

Joe-Pye Weed

Towering native with mauve domes that butterflies swarm in late summer.

Liatris

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

May Night Salvia

Perennial Plant of the Year. Dense indigo-violet spikes that rebloom if deadheaded.

Morning Glory

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

Native Spiderwort

Three-petaled flowers in blue-purple open fresh each morning on a tough native that blooms for weeks and seeds freely.

Night Embers Daylily

Deep burgundy-red with a black eye and yellow throat, smoldering in the summer border.

Oregano

Tiny flowers are a pollinator magnet when allowed to bloom. Let a patch go to flower for the bees.

Penstemon

Tubular flowers on upright stems. Native hummingbird magnet for dry gardens.

Petunia

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

Pickerelweed

Spikes of violet-blue flowers above glossy arrow-shaped leaves. Native pond and stream bank staple.

Polish Spirit Clematis

Deep violet-purple flowers cover a vigorous plant from midsummer to fall. Prune hard each spring and stand back.

Powwow Wild Berry Coneflower

Deep rose-purple petals and a bronzy cone on a compact reblooming plant that won't sprawl.

Purple de Oro Daylily

Deep purple-red blooms on a compact Stella-sized plant. Brings rich color to the front of the border.

Purple Prairie Clover

Brushy purple flower spikes rise over fine foliage and feed prairie pollinators.

Rocky Mountain Penstemon

Spikes of deep blue tubular flowers rise above glossy evergreen foliage in early summer.

Salvia

Vertical flower spikes that hummingbirds and bees cannot resist.

Sea Holly

Metallic blue bracts and cones turn the whole plant a vivid silvery-blue. Otherworldly and completely drought-proof.

Snapdragon

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

Speedwell

Tidy spikes of blue that add vertical punch to the front of the border.

Sweet Alyssum

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

The President Clematis

Big, rich violet-blue flowers with silvery reverse petals rebloom through the season on a vigorous, reliable plant.

Vintage Wine Coneflower

Wine-purple petals that age to rose on a robust, well-branched plant. One of the most floriferous echinacea you can grow.

Wild Bergamot

The wild cousin of bee balm. Lavender puffs alive with pollinators. Tougher and more mildew-resistant.

Zinnia

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