Plants that bloom in June in Zone 4 with purple flowers

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.

Bloomerang Lilac

Blooms in spring, then reblooms summer through frost. Compact habit with classic lilac fragrance.

Blue False Indigo

Lupine-like spikes on a native that lives forever. Gets better with age.

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.

Chives

Cheerful purple pom-pom flowers on a kitchen staple. Edible blooms make any salad Instagram-worthy.

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.

Columbine

Delicate, spurred flowers that dance on wiry stems. Hummingbird favorite.

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.

Culinary Sage

Spiky purple blooms above silver-green aromatic foliage. A kitchen herb that doubles as an ornamental.

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.

Impatiens

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

Iris

Elegant sword-leaved perennials with intricate, ruffled blooms.

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.

Lupine

Dramatic spikes in every color. Short-lived but self-seeds generously.

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.

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.

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.

Rhododendron

Big, bold trusses of bloom over glossy evergreen foliage.

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.

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.

Sweet Pea

Ruffled, intensely fragrant climbing flowers in every pastel shade. Cool-season annual that hates heat.

The President Clematis

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

Vinca

Evergreen mat with periwinkle-blue flowers. Tough shade ground cover.

Wild Geranium

Soft pink blooms over deeply-cut foliage. A woodland edge staple.

Zinnia

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