All summer blooming perennials

11 White Perennial Flowers that Bloom All Summer Long

White perennial flowers can add a sense of calm and serenity to your garden. Consider growing the following flowers if you would like a garden that blooms all summer long.

White Perennial Flowers that Bloom All Summer Long

Candytuft
Grow this flowering plant in a sunny spot that has well-drained soil. Candytufts will struggle in muddy, clay soil. They can help attract butterflies and other pollinators to your garden.
USDA Hardiness Zone: 5 – 9

Iceberg Rose
An easy-to-grow flowering plant that prefers full-sun (minimum of six hours of direct sunlight) and well-drained soil conditions. The Iceberg Rose is a cross of Robin Hood and Virgo roses.
USDA Hardiness Zone: 4 – 9

Annabelle Hydrangea
An attractive shrub that typically blooms from late spring to summer. The Annabelle Hydrangea thrives in partial shade, well-drained soil conditions. It may tolerate full sun conditions if grown with consistent moisture.
USDA Hardiness Zone: 4 – 9

Japanese Anemone
White perennial flowers that bloom from late summer to fall. They can add a vibrant color to your garden as early-blooming perennials start to fade. Japanese Anemone prefers evenly moist, well-drained soil. It can grow in full and part sun conditions.
USDA Hardiness Zone: 4 – 8

Calla Lily
This elegant-looking flowering plant has bulbs that may produce more than ten flowers season after season. Calla Lily thrives in partial shade conditions. They can attract bees, hummingbirds, and other pollinators to the yard.
USDA Hardiness Zone: 8 – 10

Cupflower
Also known as Nierembergia, cupflowers are heat-loving perennials that have excellent disease and drought tolerance. They need full sun and well-drained soil conditions to grow.
USDA Hardiness Zone: 8 – 11

Shasta Daisy
These daisy flowers bloom from spring till early fall. They love full sun, well-drained soil conditions. Their long stems make them great for cutting.
USDA Hardiness Zone: 4 – 9

White Showy Ladyslipper Orchid
This rare white-flowered orchid prefers a partially open site and can be grown on neutral or slightly acidic soil. It isn’t recommended for beginners due to the amount of care required. The orchids will bloom in late June or early July.
USDA Hardiness Zone: 2 – 7

Flowering Splurge
This flowering plant grows up to a height of 3 feet and blossoms with beautiful flowers that have five white petals with a touch of green near the middle. It can be grown in full and partial sun conditions, and well-drained soil.
USDA Hardiness Zone: 3 – 9

Phlox David
This species of phlox grows best in medium-moisture, organic soil and full sun conditions. Phlox David should be grown in well-ventilated spaces as a lack of air circulation could lead to powdery mildew problems.
USDA Hardiness Zone: 3 – 8

Agapanthus, White Heaven
This flowering plant has tall slender stems with flower heads that could reach seven to nine inches in diameter. The trumpet-shaped petals could help attract hummingbirds and other pollinators to the garden. They are drought-resistant and low-maintenance plants.
USDA Hardiness Zone: 7 – 10

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Early Summer Blooms

The main goal in my perennial garden is continuous blooms throughout the growing seasons. I listed some reliable spring bloomers here.

Next comes the late spring and early summer flowering listed below.

These flowering plants are suitable for cold climate gardens. I’ve listed the general growing zones for plant hardiness, but always check specific plant tags to make sure your selections suit your growing conditions.

How to Find Your Frost Dates and Hardiness Zone

  • Frost Dates Calculator | This calculator at Almanac.com is simple to use. Enter your city and state or province to find your first and last frost dates and number of frost-free days.
  • Plant Hardiness Zones | United States and Canada

1 Poppies (zones 3 to 9)

I took this photo on a garden tour. I love how the color of the shed—blue walls, yellow door, and white trim—go with the green hostas and red poppies.

If you have not fallen for poppies yet, have a look at 10 Irresistible Reasons to Grow Poppies.

2 Beard Tongue | Penstemon (zones 3 to 9)

These guys come in some gorgeous jewel tones and attract hummingbirds and bees. Penstemon is native to North America.

3 Allium (zones 3 to 9)

You can find alliums in colors ranging from white to purple. You grow them from bulbs and they will gradually spread. Sometimes the squirrels relocate them, and I’ll find them growing in unexpected places.

Allium Growing Tips

Of all the late spring and early summer blooms in my garden, alliums are the most popular with bees.

After blooming, the seed heads are just as beautiful. I’ve included a photo (below) in the Rose Campion section.

4 Columbine | Aquilegia (zones 3 to 9)

Some gardeners find aquilegia (columbine) to be a bit pesky because it spreads quite readily by seed. Personally, I love it. I always let my columbine go to seed and look forward to new ones every spring.

If you don’t want it to spread (but why?), you can clip off the flowers when they are done blooming.

No-Brainer Seasonal Flower Guide

Perennials are loved by gardeners for their ability to grace a landscape year after year, often growing stronger and more beautiful as they age. But unlike ever-blooming annuals, most perennials have a relatively short bloom season, lasting from a few days to a few weeks. Planting a variety of perennials with staggered bloom times ensures flowers in your yard all season long.

Here are a couple of tips for success when planning your seasonal flowers:

  • Remember to plant perennials with showy foliage or other seasonal attributes so that when the flower burst is finished, attractive leaf color or pattern, seedpods, or texture remains.
  • Increase the volume of plants you use if you want season-long color. Where three or four annuals brighten a bed with nonstop blooms, you may need at least a dozen different perennials to ensure long-lasting color.

Utilize the list below as your seasonal flower guide to help you plan out your seasonal perennials.

Spring Seasonal Perennials for Shade

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These spring flowers will brighten any shady area. Planted in low light, these seasonal perennials are low-maintenance and low-risk in attracting pests — lots of lows with high benefits as an addition to your flowerbed.

Spring Seasonal Perennials for Sun

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Need a little something more to liven up your sunny space? These sun-loving perennials will add brightness to any sunny area — and they’ll grow back year after year. Give them a try!

  • Alpine clematis (Clematis alpina)
  • Candytuft (Iberis)
  • Creeping phlox (Phlox subulata)
  • ‘Crater Lake Blue’ Veronica
  • Dianthus
  • Sea thrift (Ameria)

Late Spring to Early Summer Seasonal Perennials for Shade

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Bring in the sweet, sweet summertime with these spring and summer flowers that love the shade. Bright colors and exploding foliage make for exciting accents in a shady corner spot. Park a bench near your shade garden, grab a book, and relax with a view of your gorgeous perennials.

  • Astilbe
  • Coralbells (Heuchera)
  • Meadow rue (Thalictrum)
  • Foamy bells (X Heucherella)
  • Lady’s mantle (Alchemilla)
  • Yellow corydalis (Corydalis lutea)

Late Spring to Early Summer Seasonal Perennials for Sun

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Welcome sunny days and warm weather with plants that can beat the heat. This section of the seasonal flower guide features low-maintenance summer flowers that will naturally grow with pride. These sunny summer flowers will frolick and scatter, creating beautiful summer scenery.

  • Bear’s breeches (Acanthus)
  • Baptisia
  • Fleabane (Erigeron)
  • Iris
  • Lamb’s-ears (Stachys)
  • Peony (Paeonia)
  • Geranium
  • Salvia ‘May Night’

Summer Seasonal Perennials for Sun

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When summer is in full bloom, so are these flowers. In the heat of summer, our gardens could use some new color. These summer flowers will withstand the midsummer heat and sun, and we’re loving it!

  • Balloon flower (Platycodon)
  • Bee balm (Monarda)
  • Bellflower (Campanula)
  • Black-eyed Susan (Rudbeckia)
  • Blanketflower (Gaillardia)
  • Blazing star (Liatris)
  • Butterfly weed (Asclepias)
  • Catmint (Nepeta)
  • Coneflower (Echinacea)
  • Crocosmia
  • Delphinium
  • Evening primrose (Oenothera)
  • Dianthus
  • Garden phlox (Phlox paniculata)
  • Globe thistle (Echinops)
  • Hardy hibiscus (Hibiscus moscheutos)
  • Helenium
  • Hollyhock (Alcea rosea)
  • Hyssop (Agastache)
  • Knautia
  • Lavender (Lavandula)
  • Lily (Lilium)
  • Maltese cross (Lychnis chalcedonica)
  • Meadowsweet (Filipendula)
  • Mullein (Verbascum)
  • Penstemon
  • Pincushion flower (Scabiosa)
  • Red-hot poker (Kniphofia)
  • Sea holly (Eryngium)
  • Shasta daisy (Leucanthemum x superbum)
  • Veronica
  • Yarrow (Achillea)
  • Yucca

Summer Seasonal Perennials for Shade

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These perennials bloom in the summer but don’t necessarily enjoy the sun’s rays. Find a shady, cool spot in your garden for these low-maintenance beauties. See shade secrets from the BHG Test Garden!

  • Astilbe
  • Goatsbeard (Aruncus)
  • Hosta
  • Ligularia
  • Lilyturf (Liriope)
  • Lobelia
  • Meadow rue (Thalictrum)
  • Yellow corydalis (Corydalis lutea)
  • Yellow waxbells (Kirengeshoma)

Late Summer and Early Fall Seasonal Perennials for Sun

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Summer is coming to an end, but autumn is just around the corner. Feel the soft, cool breeze and smell the fresh scent of these beautiful fall flowers from our seasonal flower guide. Add these colors to your space to help the summer season live on just a little longer.

  • Aster
  • Black-eyed Susan (Rudbeckia)
  • Boltonia
  • Chrysanthemum
  • Coneflower (Echinacea)
  • Gaura
  • Hyssop (Agastache)
  • Japanese anemone (Anemone japonica)
  • Joe Pye weed (Eupatorium)
  • Obedient plant (Physostegia)
  • Russian sage (Perovskia atriplicifolia)
  • Sedum
  • Stokes’ aster (Stokesia laevis)

Late Summer and Early Fall Seasonal Perennials for Shade

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The sunny days may be dissolving, but these seasonal perennials will still thrive. Enjoy scenic grasses through the changing leaves with these shady fall flowers and plants. These seasonal perennials will perfectly complement a fall garden color palette.

  • Bugbane (Actaea)
  • Lobelia
  • Toad lily (Tricyrtis)
  • Yellow corydalis (Corydalis lutea)
  • Yellow waxbells (Kirengeshoma)

Late-Summer Perennials We Love

  • By Deb Wiley

The peak blooms of spring are now gone and the fullest bloom of summer is yet to arrive. We’re in the “lull” in between peak seasonal bloom. Gardens which rely primarily on flowers to achieve color are looking a bit tired as plants start to complain about the near 100 degree temperatures– with hotter yet to come.
There are plenty of native and adapted perennials that are happy to grow and bloom in our arid Utah summers. In this post, we’ll focus primarily on commonly available perennials that are blooming right now, many of which will still be blooming come August. Most of the plants below would be considered “moderate” in terms of water use and all are happiest in sunny conditions. That means you can plant Ozark Sundrops in front of Shasta Daisies and be confident that they’ll happily interact. Any of the 12 perennials below can be mixed and matched in the same planting beds. A high percentage of the featured plants originate from the Midwest prairies and would look even more “at home” if ornamental grasses are thrown into the mix.
Native plants are more xeric than the 12 featured here so we’ll cover those in a separate post. Suffice it to say, we’ve got more interesting native plants than you might imagine. Utah is a fabulous place to garden!
Designer Tip: Foliage
When selecting plants, I use a general rule of thumb that 1 out of every 3 plants should be selected primarily for foliage traits. That doesn’t mean the plant won’t also contribute blooms, just that it’s also attractive when NOT in bloom. Remember that beauty is created through contrast and flowers are just one form of contrast.

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