Blue and Purple Flowers
Summer and Fall Seasons
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If you don't see an early summer flower on this page, check here. For bushes and vines, click here.

​Alfalfa - Medicago sativa ​

​Aster, heart-leaved - Symphyotrichum cordifolium

​Aster, late purple - Symphyotrichum patens

​Aster, Lowrie's - Symphyotrichum lowrieanum

​Aster, New England - Symphyotrichum novae-angliae

​Aster, Short's - Symphyotrichum shortii

​​​Aster, silky - Symphyotrichum pratense

​​Bachelor's button - Centaurea cyanus

​Basil, wild  - Clinopodium vulgare

​​​Bean, wild - Phaseolus polystachios

​Bean, wild trailing - Strophostyles helvola

Bedstraw, hairy - Galium pilosum

​Bellflower, tall - Campanulastrum americanum

​​Blazing-star, dense - Liatris spicata

​​Blazing star, scaly - Liatris squarrosa

​Blazing star, rough - Liatris aspera

​Blazing-star, southern - Liatris squarrulosa

​Blue flag, southern - Iris virginica

​Blueheart - (Buchnera americana)

​Burdock - Arctium minus

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​Bush-clover, slender - Lespediza virginica

​​Bush-clover, trailing - Lespedeza procumbens

​​Bush-clover, wandlike - Lespedeza intermedia

​Buttonweed, rough - Diodia teres

​​Chicory - Cichorium intybus

​​Clover, red - Trifolium pratense

​Cocklebur, common - Xanthium strumarium

Coneflower, wavyleaf purple - Echinaceae simulata

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​Coneflower, purple - Echinacea purpurea

​Dame's rocket - Hesperis matronalis

​​Dayflower, common - Commelina communis

​Dayflower, creeping - Commelina diffusa

​Dayflower, erect - Commelina erecta

​Dayflower, Virginia - Commelina virginica

​Deptford pink - Dianthus armeria

​Dittany - Cunila origanoides

​​Elephant's foot - Elephantopus carolinianus

​​Everlasting pea - Lathyrus latifolius

​False dragonhead - Physostegia virginiana

​​Gerardia, purple - Agalinis purpurea

​​Gerardia, slender - Agalinis tenuifolia

​​​Germander - Teucrium canadense

​​Heal-all - Prunella vulgaris

​Ironweed - Vernonia gigantea

​Japanese mint - Mosla dianthera

​​Knapweed, spotted - Centaurea stoebe

​​Korean-clover - Lespedeza stipulacea

​Leatherflower, pale - Clematis versicolor

​Lettuce, wild - Lactuca, sp.

​Lily-leaved twayblade - Liparis liliifolia

​Lobelia, downy - Lobelia puberula

​Lobelia, great blue - Lobelia siphilitica

​Meadow-beauty, Virginia - Rhexia virginica

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​​Milk-pea, hairy - Galactia volubilis

​Milkweed, clasping - Asclepias amplexicaulis

​Milkweed, purple - Asclepias purpurescens

​Milkweed, swamp - Asclepias incarnata

​Milkwort, field - Polygala sanguinea

​Mistflower - Eupatorium coelestinum

​Monkeyflower, sharpwing - Mimulus alatus

​Morning-glory, common - Ipomoea purpurea

​​Morning-glory, ivy-leaved - Ipomoea hederacea

​Mountain mint, hoary - Pycnanthemum incanum

​Passion-flower - Passiflora incarnata

​​Phlox, fall - Phlox paniculata

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​Redstem filaree - Erodium cicutarium

​​​Ruellia, glade - Ruellia humilis

​​Ruellia, hairy - Ruellia caroliniensis

​Ruellia, smooth - Ruellia strepens

​​Sampson's snakeroot - Orbexilum pedunculatum

​Skullcap, downy - Scutellaria incana

​Skullcap, hairy - Scutellaria elliptica

​Speedwell, field - Veronica agrestis

​Speedwell, heath - Veronica officinalis

​Spiderwort, zigzag - Tradescantia subaspera

​​Teasel - Dipsacus fullonum

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​Thistle, bull - Cirsium vulgare

​Thistle, Canada - Cirsium arvense

​Thistle, field - Cirsium discolor

​​Thistle, nodding - Carduus nutans

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​Thistle, tall - Cirsium altissimum

​​Tick-trefoil, hoary - Desmodium canescens

​​Tick-trefoil, large-bracted - Desmodium cuspidatum

​Tick-trefoil, naked-flowered - Hylodesmum nudiflorum 

​​Tick-trefoil, panicled - Desmodium paniculatum

​Tick-trefoil, pointed-leaf - (Hylodesmum glutinosum)

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​Tick-trefoil, round-leaf - Desmodium rotundifolium

​​​Tick-trefoil, sessile-leaved - Desmodium sessilifolium

Tick-trefoil, small-leaved - Desmodium ciliare

​Tick-trefoil, smooth - Desmodium laevigatum

Tick-trefoil, velvety - Desmodium viridiflorum

​​Toadflax, blue - Linaria canadensis

​Venus looking-glass - Triodanis perfoliata

​Vetch, hairy - Vicia villosa

​Vetch, spring - Vicia sativa

​Vetchling - Lathyrus sp.

​Waxweed, blue - Cuphea viscsosissima

​Wood-mint, downy - Blephilia ciliata