Blue or Purple Flowering Perennials

Blue or Purple Flowering Perennials

Set Ascending Direction

96 items

per page

  1. Russian Sage Zones: 5-8
    As low as $27.99

  2. Little Grapette Daylily Zones: 3-9
    As low as $25.49

  3. Black Scallop Ajuga Zones: 4-9
    As low as $26.99

  4. Creeping Thyme Zones: 3-9
    As low as $19.49

  5. Walker's Low Catmint Zones: 4-9
    As low as $24.79

  6. Denim 'n Lace Russian Sage Zones: 4-9
    As low as $28.49

  7. Grosso Lavender Zones: 5-8
    As low as $41.94

  8. Chocolate Chip Ajuga Zones: 4-9
    As low as $17.99

  9. May Night Salvia Zones: 3-9
    As low as $27.99

  10. Spicata Liriope Zones: 4-9
    As low as $16.49

  11. Tiny Monster Geranium Zones: 4-11
    As low as $39.95

  12. Caesars Brother Iris Zones: 3-9
    As low as $37.95

  13. Liriope Big Blue Zones: 5-11
    As low as $39.99

  14. Blue False Indigo Zones: 3-9
    As low as $41.95

  15. Visions in Pink Astilbe Zones: 3-8
    As low as $47.95

  16. Blue Ice Amsonia Zones: 4-9
    As low as $39.33

  17. Ghost Lamium Zones: 4-9
    As low as $27.99

  18. PowWow Wild Berry Coneflower Zones: 3-9
    As low as $39.59

  19. Autumn Frost Hosta Zones: 3-9
    As low as $44.99

  20. Pugster Blue® Butterfly Bush Zones: 5-9
    As low as $34.79

  21. Purple D' Oro Daylily Zones: 2-9
    As low as $27.99

  22. Bijou Clematis Zones: 4-10
    As low as $61.95

  23. Rozanne Geranium Zones: 4-10
    As low as $34.99

  24. Fragrant Bouquet Hosta Zones: 3-8
    As low as $27.99

  25. Purple Dome New England Aster Zones: 4-8
    As low as $36.95

  26. Blue Lace Delphinium Zones: 3-7
    As low as $40.49

  27. Royal Candles Speedwell Veronica Zones: 4-9
    As low as $35.99

  28. Patriot Hosta Zones: 3-8
    As low as $38.95

  29. Nosferatu Daylily Zones: 3-9
    As low as $44.86

  30. First Frost Hosta Zones: 3-9
    As low as $24.89

  31. Little Spire Russian Sage Zones: 4-9
    As low as $39.99

  32. Blazing Star Kobold Gayfeather Zones: 3-8
    As low as $40.49

  33. Sweet Kate Spiderwort Zones: 5-8
    As low as $27.99

  34. Regal Splendor Hosta Zones: 3-9
    As low as $27.99

  35. August Moon Hosta Zones: 4-8
    As low as $27.99

  36. Pugster Periwinkle® Butterfly Bush Zones: 5-9
    As low as $48.96
Set Ascending Direction

96 items

per page

Classic Colors Blue or Purple Flowering Perennials

Create an eye-catching display with these majestic colors. You'll never grow tired of elegant blue or purple blooms!

That's a good thing, as these durable perennials will come back for you year after year. grows healthy, well-rooted perennials that you can count on!

High-quality flowering plants add value to your home. Keep them in outdoor containers on your balcony, or grow them in a long garden border.

Stunning blue or purple flowering perennials are very popular for several reasons. They act as a perfect backdrop for contrasting yellow, orange or white blooms.

But they can also be used in a very relaxing collection by themselves. Blue flowers represent hope and connection to the natural world.

Purple is both resplendent and mysterious, with a beautiful depth of hue. Layer them together for an easy-living charm.

Blue Flowers...Nature's Rarest Color has made a name for ourselves with our gorgeous blue-flowering plants. Chinese Blue Wisteria tree, Chaste trees, Blue Chiffon Rose of Sharon, Bluestem Grass and Blue Girl Hybrid Tea Rose are some of our top-selling plants.

No wonder, as true blue is the rarest of all flower colors. In fact, only a few plants world-wide pull off that feat.

Most blue flowers have moments where the bud and early petals appear purple. Our offering of Wisteria vines displays an abundance of hues from lavender-blue to violet-blue as the flowers open, mature and finally age.

We included purple flowering perennials in with the blue tones. That's because these complementary partners flow together in an impressive river of color.

Create a magnificent showpiece to rest and relax in with help from our exquisite online catalog of naturally blue-flowering perennials.

Think in terms of layers for a lush look. Fill the space with small trees, shrubs and perennials...placing smaller plants to the south side of taller ones.

Low-growing blue or purple blooms can be found in our Groundcover section. They fill in to soften and polish the edges of your plantings.

High Contrast Blue and Purple Flowers Make a Dynamic Presentation

Placing several contrasting bloom colors in a certain area will definitely create outstanding focal points of interest. Pick your favorite color combination...dark green leaves, soft pinks and blues make a dreamy impression.

Red-hot scarlet or orange is a compelling combination with purple. Add yellow for vivid impact; or chill things down with icy white-flowering plants.

Try a Daisy May Shasta Daisy and Purple Rooster Bee Balm in a grouping. Mix and match to create happy beauty that you'll amaze over every time you see it!

Create a lively and colorful landscape by finding that perfect plant pairing. It's so gratifying to follow your passions, isn't it?

Add early season blue or purple flowering perennials. Then finish with late bloomers for visual interest all season-long.

Plan to overlap the season of blooms with three or four different varieties. When one perennial blooming period is exhausted, you can have another ready to take its place in the spotlight.

(Sample) Calendar for Blooms All Season

Install landscaping that looks great all year with good plant choices. Start with trees and shrubs...then add flowering perennials that bloom through the season.

Here is a sample garden design plan guideline of choices that would produce a season filled with blue or purple flowers:

Start with tiny Bulbs like Siberian Squill and Hyacinth that are very easy to plant in fall. These satisfying bloomers start early in spring and will continue for weeks.

Dramatic Caesars Brother Iris kicks in with its architectural blade-like leaves. Try them near the blue-green foliage of Adam's Needle Yucca as a striking garden feature.

The Blues Little Bluestem Grass would be another stunning option. Or use Blue Rug Carpet Juniper Groundcover for ready-steady steely blue tones all year-long.

Soften your early summer with vertical accents like Blue False Indigo Baptisia. These native subshrubs add a bold form and very attractive features.

Don't forget a Blue Chiffon Rose of Sharon tree form for a pretty focal point! Blue Diddley Chaste trees have blue-toned blooms, and can easily anchor a patio planting bed.

Finish up the mid to late season with a collection of Asters. The local butterfly population will thank you for the late season nectar resource!

Certain extraordinary flowering perennials have extended blooming periods. Consider using these plants as your workhorse or mainstay.

Why Buy Plants Online from

Our whole team adores Nature...that's why we choose to grow and sell plants. wants to do the right thing to protect our beautiful planet as much as you do! makes it convenient and easy to get the plants you want. You can also be proud of your responsible choice!

We're the first company to use Plant Sentry®. It seamlessly helps us block shipments of regulated plant material into sensitive ecosystems.

Some extended blooming blue or purple flowering perennials—like Russian Sage—behave wonderfully in many areas of the country. However, it can do "too well" in other areas.

Let Plant Sentry® shipping software alert you if we aren't able to send it to you. We follow every Federal or State regulation.

How to Choose the Best Blue or Purple Flowering Perennial for Your Landscape

Get #ProPlantTips for Growing Healthy Plants >>

Study your landscape to see how much sun you have. Literally track how many hours of sun you receive in your preferred planting area.

All plants have needs for sun exposure, from full sun (more than six hours of direct sunlight a day). Full shade is no more than two hours of sunlight a day.

Next, you'll need to know your Growing Zone. Type your zip code into the Zone Finder above the Plant Highlights on the product pages.

You can also Find Your USDA Growing Zone Here >>

Understand your available space by actually using a measuring tape to get length, width and any height limitations. This is an important consideration; as these showy flowering plants come in an assortment of sizes.

Filter by Mature Height and Mature Spread. A plant that spreads wide can become a hard-working mass planting.

Let these plants grow together and touch. Create a solid fill by planting them about six inches closer than the smallest number listed on the Mature Spread.

Every product page has Plant Highlights for specifics on care. Enjoy the fun process of looking, considering and choosing our lovely plants!

We work with professional garden designers all across the country, and have since 2001. They regularly buy out our entire inventory of blue and purple flower varieties.

Please move quickly to secure your order. Place it any time of year; we'll hold your order until the time is right for planting in your Growing Zone.

Top 3 Blue and Purple Flower Choices for Heat and Humidity

  • May Night Salvia takes center stage with a long season of bloom. Just snip the first spent flower spikes of the season.
  • Long-blooming Rozanne Geranium fills in for a care-free, pretty summer! Azure Rush Geranium is another lovely choice.
  • Native Bee Balm is a vigorous, nectar-rich grower that belongs in Pollinator Gardens for bees and butterflies. They can also be grown in deep outdoor containers to stop it's spread.

Top 3 Blue and Purple Flower Choices for Dry Heat

Top 3 Cold-Hardy Blue and Purple Flower Choices

Top 3 Blue and Purple Flowering Perennials for Shade

  • Partial shade lover Rapido Blue Carpathian Bellflower has flower power that won't stop.
  • You'll love our large collection of Hosta. Add three, four or more varieties in a coordinated shade display for little care.
  • Exquisite Maggie Daley Astilbe gives your daily dose of dynamic feathery flowers in pretty purple hues.

Planting and Care Tips for Perennials

Track your boxes right to your house. Open them up right away and water them very well.

Dig holes twice as wide as the root system. However, don't bury them too deep...keep them at the same level.

Water your new plant carefully. Read our Garden Blog for Advice >>

Add a three inch layer of mulch over the root system. Pull it back away from letting it rest against the stems of your perennials.

Fertilize with a flowering plant formula in early spring. Please keep lawn fertilizer away from flowering is too nitrogen-rich!

Read More About Proper Fertilization >>

Start With Saturated Blue or Purple Flowers For a Serene Landscape

Turn your garden design into a thoughtful composition. A landscape filled with wistful blue and regal purple will grow into a joy to share with your loved ones.

You'll appreciate our large online inventory, but please move quickly to order your favorites. Everyone loves blue and purple flowers, after all!

Shop Blue and Purple Flowering Perennials Now