24 BLUE Wildflowers Found in Oklahoma! (ID GUIDE)

Did you find a BLUE wildflower in Oklahoma?

Common Blue Wildflowers in Oklahoma

If so, I’m sure you’re wondering what type of wildflower you found! Luckily, you can use this guide to help you identify it. 🙂

 

Today, we will look at 24 common BLUE wildflowers in Oklahoma.

 

You will notice a USDA Hardiness Zone for each blue wildflower in the article. This refers to areas of the US where plants do best, based on temperature. Here is a map showing the hardiness zones of Oklahoma:

Hardiness Zones in Oklahoma range from 1a to 13b.

24 types of BLUE wildflowers in Oklahoma:

 


#1. Heal-All

  • Prunella vulgaris

Types of Blue Wildflowers found in Oklahoma

Also known as Common Self-heal, Woundwort, Heart-of-the-earth, Carpenter’s Herb, Brownwort, or Blue Curls.

Growing Information

  • USDA Hardiness Zone: 4-9
  • Life Cycle: Perennial
  • Approximate mature size: 6-12″ (15-30cm)
  • Bloom Time: Late Spring-Late Fall
  • Sun Exposure: Sun to Partial Shade

 

This blue wildflower is one of the most common in Oklahoma.

 

You will find this purplish-blue wildflower on roadsides, gardens, and on the edge of woodlands.

 

You can even EAT Heal-all! Some people use it in salads, soups, stews, or boiled as a potherb. In addition, this mint plant has been used by many cultures to treat various physical ailments such as herpes, skin lesions, and throat remedies.

 

This plant attracts butterflies, bees, and other pollinators. As a result, it is often used as a ground cover on border fronts, meadows, and naturalized landscapes.

 


#2. Bachelor’s Button

  • Centaurea cyanus

Oklahoma Blue Wildflowers species

Also known as Cornflower.

Growing Information

  • USDA Hardiness Zone: 2-4
  • Life Cycle: Annual
  • Approximate mature size: 1-3′ (30-90cm)
  • Bloom Time: Late Spring-Late Summer
  • Sun Exposure: Full Sun to Light Shade

 

I think this is one of the prettiest blue wildflowers in Oklahoma.

 

This common plant is a magnet for butterflies. In addition, it’s excellent for cutting and drying.

 

The Bachelor’s Button flowers are daisy-like and virtually pest and disease-free. And can you believe they are also deer and drought tolerant?! I recommend this easy-to-grow plant for borders of flower beds or rock gardens.

 


#3. Chicory

  • Cichorium intybus

Types of Blue Wildflowers that live in Oklahoma

Growing Information

  • USDA Hardiness Zone: 3-10
  • Life Cycle: Perennial
  • Approximate mature size: 1-4′ (30-120 cm)
  • Bloom Time: Summer, Fall
  • Sun Exposure: Full Sun

 

This non-native blue wildflower is found throughout Oklahoma. Typically you will find this plant where it’s sunny and dry, so look for it along roads and open fields.

 

The exciting thing about Chicory is it is eatable. The leaves are high in vitamins and minerals. You can eat the leaves as a vegetable or in a salad, but beware, they are very bitter tasting. The roots can also be boiled and eaten with butter. Sometimes the root is roasted and ground as a substitute or additive to coffee.

 

Interestingly, Chicory flowers only bloom for ONE day. And in hot weather, the flower may only be open for a few hours!

 


#4. Narrowleaf Blue-eyed Grass

  • Sisyrinchium angustifolium

Common Oklahoma Blue Wildflowers

Also known as Bermuda Blue-eyed Grass and Blue-eyed Grass.

Growing Information

  • USDA Hardiness Zone: 4-11
  • Life Cycle: Perennial
  • Approximate mature size: 4-20″ (10-50 cm)
  • Bloom Time: Late Spring-Early Summer
  • Sun Exposure: Full Sun, Partial Sun

 

This blue wildflower is widespread and found throughout Oklahoma. You will typically see this plant in moist meadows, damp fields, open woods, floodplain forests, sandy thickets, riverbanks, and roadsides.

 

The Narrowleaf Blue-eyed Grass is an excellent source of nectar and pollen. This makes this plant good for attracting butterflies, bees, and other insects. It also can attract songbirds because many birds eat these perennial seeds.

 


#5. Blue Vervain

  • Verbena hastata

blue vervain pic

Also known as the American Vervain or Swamp Verbena.

Growing Information

  • USDA Hardiness Zone: 3-9
  • Life Cycle: Perennial
  • Approximate mature size: 2-5′ (60-150cm)
  • Bloom Time: Early Summer-Fall
  • Sun Exposure: Full Sun

 

Look for this hardy and drought-resistant wildflower in plains, foothills, wet soils, ditches, shores, wet fields, and roadsides in Oklahoma.

 

The Blue Vervain attracts native bees, honeybees, beneficial wasps, small butterflies, skippers, and moths. It is also a great host plant because the Verbena Moth and the Common Buckeye Butterfly caterpillars feed on the leaves.

 


#6. Common Blue Violet

  • Viola sororia

common blue violet pic

Also known as Common Meadow Violet, Purple Violet, Woolly Blue Violet, Hooded Violet, and Wood Violet.

Growing Information

  • USDA Hardiness Zone: 3-10
  • Life Cycle: Perennial
  • Approximate mature size: 6-10″ (15-25cm)
  • Bloom Time: Mid-Spring-Late Summer
  • Sun Exposure: Full Sun, Partial Sun

 

Some people consider this beautiful blue wildflower a weed in Oklahoma!

 

Believe it or not, the Common Blue Violet can randomly start growing in the middle of your lawn. If it appears, it can attract mason bees, caterpillars, wild turkeys, rabbits, deer, doves, and ants. The ants are attracted to their seeds that are coated with protein.

 

Interestingly, this wildflower can self-fertilize inside the plant without opening. The seed capsules eventually turn upright, open, and SHOOT OUT their seeds as far as 9 feet away from the plant.

 


#7. Common Periwinkle

  • Vinca minor

common periwinkle pic

Also known as Lesser Periwinkle or Dwarf Periwinkle.

Growing Information

  • USDA Hardiness Zone: 4-9
  • Life Cycle: Perennial
  • Approximate mature size: 4-6″ (10-15cm)
  • Bloom Time: Year-Round
  • Sun Exposure: Full Sun, Partial Sun, Shade

 

The Common Periwinkle is not native to North America. Regardless, this perennial can attract bumblebees, Anthophorid Bees, Mason Bees, and bee flies.

 

This blue wildflower is often used as a ground cover in Oklahoma. The main benefit is it’s deer resistant!

 


#8. Blue Toadflax

  • Nuttallanthus canadensis

blue toadflax pic

Also known as Canada Toadflax and Old-field Toadflax.

Growing Information

  • USDA Hardiness Zone: 4-8
  • Life Cycle: Annual or Biennial
  • Approximate mature size: 6-24″ (15-60 cm)
  • Bloom Time: Early Spring, Early Fall
  • Sun Exposure: Full Sun, Partial Shade

 

This blue wildflower prefers dry sandy soil in open areas such as grasslands, prairies, and roadsides in Oklahoma.

 

Certain caterpillar species will eat this host plant’s leaves. In addition, bees and butterflies are attracted to the nectar of the Blue Toadflax.

 


#9. Teasel

  • Dipsacus fullonum

teasel pic

Also known as Wild Teasel and Fuller’s Teasel.

Growing Information

  • USDA Hardiness Zone: 3-8
  • Life Cycle: Biennial
  • Approximate mature size: 4-6′ (120-180 cm)
  • Bloom Time: Summer, Fall
  • Sun Exposure: Full Sun to Partial Shade

 

Oklahoma‘s teasels are easily identified by their prickly stem and leaves and unique purplish-blue flowers.

 

This plant attracts some birds, such as the Goldfinches, because the seeds are an important winter food resource.

 

Teasel has health benefits such as a kidney tonic, which promotes the healing of broken bones and torn, injured, or inflamed connective tissue. This makes it helpful in treating Lyme disease symptoms since the Lyme-inducing bacteria often target the nerve, muscle & connective tissues.

 


#10. Jacob’s Ladder

  • Polemonium reptans

jacobs ladder pic

Also known as Spreading Jacob’s Ladder, Creeping Jacob’s Ladder, False Jacob’s Ladder, Abscess Root, American Greek Valerian, Blue Bells, Stairway to Heaven, and Sweatroot.

Growing Information

  • USDA Hardiness Zone: 3-8
  • Life Cycle: Perennial
  • Approximate mature size: 1-3′ (30-90cm)
  • Bloom Time: Spring
  • Sun Exposure: Partial Sun, Full Sun in cooler climates

 

This blue wildflower is found in moist woodlands and floodplains in Oklahoma.

 

The nectar and pollen of Jacob’s Ladder attract honeybees, bumblebees, mason bees, cuckoo bees, butterflies, skippers, and moths.

 


#11. Pickerelweed

  • Pontederia cordata

pickerelweed pic

Also known as Heart-Leaved Pickerel Weed, Wampee, and Pickerel Rush.

Growing Information

  • USDA Hardiness Zone: 3-10
  • Life Cycle: Perennial, Aquatic plant
  • Approximate mature size: 2-4′ (60-120cm)
  • Bloom Time: Early Summer-Fall
  • Sun Exposure: Full Sun

 

This blue wildflower is aquatic and grows in various wetlands, including Oklahoma‘s ponds, streams, and lakes.

 

Pickerelweed will attract butterflies and bumblebees, which visit its blooms for nectar. Many ducks eat their seeds as well!

 


#12. Asiatic Dayflower

  • Commelina communis

Asiatic dayflower pic

Also known as Dayflower.

Growing Information

  • USDA Hardiness Zone: 6-9
  • Life Cycle: Annual
  • Approximate mature size: 1-3′ (30-90 cm)
  • Bloom Time: Summer through Fall
  • Sun Exposure: Full Sun, Partial Shade

 

This blue wildflower is usually found only in metro areas in Oklahoma. However, it often ends up in your garden from purchased bags of soil.

 

This plant’s flowers bloom only for one day, hence its name “Dayflower.” The Asiatic Dayflower is a host plant for the Pearl Cresent butterfly caterpillars.

 


#13. Bird’s Foot Violet

  • Viola pedata

birds foot violet pic

Also known as Mountain Pansy.

Growing Information

  • USDA Hardiness Zone: 4-8
  • Life Cycle: Perennial
  • Approximate mature size: 4-10″ (10-25 cm)
  • Bloom Time: Spring
  • Sun Exposure: Fun Sun, Partial Sun

 

The Bird’s Foot Violet gets its name from the shape of its flowers. As the name suggests, some people think they resemble a bird’s foot.

 

You will typically find this blue wildflower on dry rocky or sandy soil, open fields, and open woods in Oklahoma.

 

The Bird’s Foot Violet attracts bees and butterflies, which pollinate them. This blue wildflower would be a lovely addition to your rock garden.

 


#14. Blue Moon (Wild Blue Phlox)

  • Phlox divaricata

blue moon pic

Also known as Woodland Phlox, Sweet William’ Blue Moon’.

Growing Information

  • USDA Hardiness Zone: 4-8
  • Life Cycle: Perennial
  • Approximate mature size: 10-20″ (25-50 cm)
  • Bloom Time: Spring, Summer
  • Sun Exposure: Partial Sun

 

This fragrant blue wildflower has beautiful rich white or blue flowers, and its stems are often hairy and sticky to the touch.

 

The Blue Moon would be an excellent accent to your flower beds and borders. They attract butterflies and hummingbirds and are deer resistant.

 


#15. Western Blue Flax

  • Linum lewisii

Western blue flax pic

Also known as Prairie Flax, Wild Flax, Lewis Flax, Lewis’s Flax, and Wild Blue Flax.

Growing Information

  • USDA Hardiness Zone: 3-9
  • Life Cycle: Perennial
  • Approximate mature size: 1-3′ (30-90 cm)
  • Bloom Time: Spring, Summer
  • Sun Exposure: Full Sun, Partial Sun

 

The Western Blue Flax blooms for weeks from late spring to mid-summer, but you will notice the flowers open in the morning but are gone in the afternoon. This is because the blooms only last for one day!

 

This blue perennial has long and tough stem fibers, and the American Indians used them for ropes, cords, fishing lines, and nets.

 


#16. Blue Mistflower

  • Conoclinium coelestinum

Blue Mistflower pic

Also known as Wild Ageratum, Hardy Ageratum, Blue Boneset, and Eupatorium coelestinum.

Growing Information

  • USDA Hardiness Zone: 5-10
  • Life Cycle: Perennial
  • Approximate mature size: 12-36″ (30-91 cm)
  • Bloom Time: Year-round
  • Sun Exposure: Full Sun, Partial Sun

 

The Blue Mistflower blooms will attract an enormous amount of bees and butterflies. However, be careful because this blue wildflower spreads rapidly and can become a nuisance.

 

Look for this blue wildflower in Oklahoma‘s moist soils, wet meadows, ditches, pond margins, and woodland edges.

 


#17. Spiderwort

  • Tradescantia virginiana

spiderwort pic

Also known as the Virginia Spiderwort and Blue Jacket.

Growing Information

  • USDA Hardiness Zone: 4-9
  • Life Cycle: Perennial
  • Approximate mature size: 10-24″ (25-61 cm)
  • Bloom Time: Spring, Summer
  • Sun Exposure: Full Sun, Partial Sun

 

In Oklahoma, you will see Spiderwort on dry to medium but well-drained soils in fields, meadows, and woodland margins.

 

This perennial is great for a border for flower beds and is often an underutilized garden plant.

 


#18. Virginia Waterleaf

  • Hydrophyllum virginianum

virginia waterleaf pic

Also known as Eastern Waterleaf.

Growing Information

  • USDA Hardiness Zone: 4-8
  • Life Cycle: Perennial
  • Approximate mature size: 1-2′ (30-60 cm)
  • Bloom Time: Spring
  • Sun Exposure: Shade, Partial Shade

 

The Virginia Waterleaf forms large groups in moist deciduous forests and spreads by reproducing along with underground roots (rhizomes).

 

This perennial attracts sweat bees and flies. But, unfortunately, their foliage is nibbled on by deer.

 


#19. Azure Blue Sage

  • Salvia azurea

azure blue sage pic

Also known as Pitcher Sage, Big Blue Sage, Giant Blue Sage, and Blue Sage.

Growing Information

  • USDA Hardiness Zone: 5-9
  • Life Cycle: Perennial
  • Approximate mature size: 2-4′ (60-120 cm)
  • Bloom Time: Summer, Fall
  • Sun Exposure: Full Sun

 

Azure Blue Sage is a late-blooming blue wildflower in Oklahoma.

 

Look for them in dry, primarily pine-dominated woodlands.

 

This attractive sage is perfect for flower beds because it mingles well with nearby plants. In addition, its nectar attracts butterflies, bees, and hummingbirds. The best part is hungry deer don’t eat it.

 


#20. Eastern Blue Star

  • Amsonia tabernaemontana

Eastern blue Star pic

Also known as Blue Star, Willow Amsonia, Blue Dogbane, and Willow Blue Star.

Growing Information

  • USDA Hardiness Zone: 3-9
  • Life Cycle: Perennial
  • Approximate mature size: 12-36″ (30-90 cm)
  • Bloom Time: Late Spring
  • Sun Exposure: Full Sun, Partial Sun

 

This blue wildflower thrives in moist soils in Oklahoma that are not soggy. Once established, this plant is drought tolerant. You will find Eastern Blue Star in open woods and roadsides.

 

This virtually pest-free perennial will attract butterflies and hummingbirds to your garden. But beware, contact with the milky sap may cause skin irritation.

 


#21. Climbing Dayflower

  • Commelina diffusa

climbing dayflower pic

Also known as Spreading Dayflower.

Growing Information

  • USDA Hardiness Zone: 3-11
  • Life Cycle: Perennial
  • Approximate mature size: 6-24″ (15-60 cm)
  • Bloom Time: Year-round
  • Sun Exposure: Full Sun, Partial Shade

 

Unfortunately, this pretty blue wildflower is a common weed in Oklahoma. It spreads quickly, creeping along the ground, branching heavily, and rooting at the stem.

 

The exciting thing about this perennial is that the flowers have a blue dye in their petals extracted for paints. Sometimes it is used medicinally as an antifever and a diuretic.

 

The Climbing Dayflower attracts bees, butterflies, and birds. However, if you choose to include it in your garden, you may need to cut it back every year not to take over other plants.

 


#22. Prairie Spiderwort

  • Tradescantia occidentalis

Prairie Spiderwort pic

Also known as Western Spiderwort and Spiderwort.

Growing Information

  • USDA Hardiness Zone: 4-9
  • Life Cycle: Perennial
  • Approximate mature size: 10-24″ (25-60 cm)
  • Bloom Time: Spring, Summer
  • Sun Exposure: Full Sun, Partial Sun, Shade

 

This grass-like plant with exotic-looking blue flowers is found in Oklahoma‘s plains, foothills, sandy ridges, meadows, fields, and roads.

 

The Prairie Spiderwort blooms continuously with eye-catching blue flowers. Unfortunately, most flowers are gone by noon. Nevertheless, many native bees value this wildflower.

 


#23. Virginia Iris

  • Iris virginica

virginia iris pic

Also known as Southern Blue Flag and Great Blue Flag.

Growing Information

  • USDA Hardiness Zone: 5-9
  • Life Cycle: Perennial, Aquatic Plant
  • Approximate mature size: 12-36″ (30-90 cm)
  • Bloom Time: Summer
  • Sun Exposure: Full Sun, Partial Sun

 

The Virginia Iris is found in various habitats such as open woods, meadows, freshwater marshes, and along lakes. This perennial performs best in full sun and wet soils.

 

This blue wildflower is a welcome addition to your lily pool or bog garden. It is pest and disease-free, and deer-resistant. However, please be aware that some people develop a rash after touching it.

 


#24. Blue-eyed Mary

  • Collinsia verna

blue eyed mary pic

Also known as Spring Blue-Eyed Mary.

Growing Information

  • USDA Hardiness Zone: 2-11
  • Life Cycle: Annual
  • Approximate mature size: 6-18″ (15-45 cm)
  • Bloom Time: Spring
  • Sun Exposure: Partial Sun

 

The Blue-eyed Mary’s nectar attracts many honeybees, bumblebees, butterflies, and skippers.

 

This blue wildflower is found in moist soils along streams and wet woodlands. It spreads by reseeding itself and often forms colonies that vary in size.

 


Do you need more help identifying blue wildflowers in Oklahoma?

 

Check out this guide!

 


Which of these blue wildflowers have you seen before in Oklahoma?

 

Leave a comment below!

 

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