Plants that bloom in July in Zone 3 with white flowers

American Elderberry

Large flat clusters of creamy flowers in early summer give way to dark berries for jams and wildlife.

Annabelle Hydrangea

Enormous snowball blooms on a native species. Blooms on new wood, so prune hard in spring.

Asiatic Lily

Upward-facing blooms in a wide range of vivid colors. Easy to grow and brilliant in the summer border.

Astilbe

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

Blue Angel Hosta

A mammoth shade-garden hosta with thick, corrugated blue-gray leaves up to 18 inches long that slugs leave alone, topped by fragrant lavender flower spikes in midsummer.

Bobo Hydrangea

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

Bridal Veil Astilbe

Graceful cascading white plumes on dark stems. Luminous in a shady corner.

Campanula

Open, nodding bells in clear blue on tall graceful stems. Self-sows into refined cottage garden drifts.

Chamomile

Tiny daisy flowers with apple-scented foliage. Brew into tea or let it naturalize between pavers.

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.

Coral Bells

Grown mostly for dramatic foliage, but the tiny bell flowers are a bonus.

Cosmos

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

Creeping Thyme

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

Culver's Root

Tall tapering spires of tiny white flowers that bees mob. Vertical and elegant at the back of the border.

Dahlia

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

Delphinium

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

Dianthus

Spicy clove-scented pinks with fringed petals in pink, red, white, or salmon, one of the best long-blooming edgers and front-of-border perennials for sun.

Flowering Tobacco

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

Foxglove

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

Garden Phlox

Billowing clusters of fragrant summer color. A butterfly magnet.

Goatsbeard

Giant creamy plumes like an astilbe on steroids. Native woodland giant that anchors a shade border.

Gooseneck Loosestrife

Gracefully arching white flower spikes that curve at the tips like a goose neck. Spreads vigorously in moist soil.

Guacamole Hosta

Chartreuse-gold leaves with dark green margins and sweetly fragrant white flowers that perfume the shade garden.

Honeysuckle

Tubular, nectar-rich flowers with a fragrance that defines summer evenings.

Hosta

The undisputed queen of shade gardening. Foliage in every green and blue.

Impatiens

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

Incrediball Hydrangea

Annabelle's bigger sibling with stronger stems that don't flop. Blooms the size of basketballs.

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.

Little Lime Hydrangea

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

Morning Glory

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

Obedient Plant

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

Oriental Lily

Huge, intensely fragrant blooms in deep pink and white that perfume the entire garden. The lily that defines summer.

Penstemon

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

Petunia

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

Pinky Winky Hydrangea

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

Quick Fire Hydrangea

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

Rocky Mountain Columbine

Large blue-and-white spurred flowers bloom in late spring above lacy foliage.

Rose

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

Sagae Hosta

Huge gray-blue leaves with creamy margins on a stately, vase-shaped plant that wins awards for good reason.

Salvia

Vertical flower spikes that hummingbirds and bees cannot resist.

Shasta Daisy

Classic white-and-gold daisies that look fresh from a meadow painting.

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.

Spirea

Flat-topped flower clusters on tidy mounds. The easiest flowering shrub.

Summersweet Clethra

Spikes of intensely sweet-scented white flowers in midsummer, one of the best fragrant natives for shady spots.

Sweet Alyssum

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

White Prairie Clover

Cylindrical white flower spikes with orange anthers on a delicate, drought-proof prairie native that feeds bees all summer.

White Swan Coneflower

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

Winterberry

Inconspicuous blooms, but covered in brilliant red berries all winter long.

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.