Light:

Part Sun,Shade

Plant Height:

3-6 inches tall

Zones:

3-9

Plant Type:

Perennial

Used by Native Americans for war paint, the intensely colored yellow sap that flows from this plant when cut gives the plant its...read more >

Plant with : Lily-of-the-valley, Bleeding heart, Japanese painted fern

Light:

Sun

Plant Height:

1-3 feet tall

Zones:

3-8

Plant Type:

Perennial

It's tough to find a perennial with truer blue flowers than bugloss. A beautiful plant with a less-than-beautiful name, bugloss...read more >

Plant with : Hyssop, Black-eyed Susan

Light:

Sun,Part Sun

Plant Height:

6-10 inches tall

Zones:

4-8

Plant Type:

Perennial

One of the most versatile ornamental grasses, blue fescue can be used in many different ways. Plant it at the base of leggy...read more >

Plant with : Dianthus, Blanket flower, Shrub rose

Light:

Sun

Plant Height:

4-5 feet tall

Zones:

4-9

Plant Type:

Perennial

Refined and elegant, blue oat grass adapts easily and fits equally well in formal or informal gardens. Its mound of grassy...read more >

Plant with : Sedum, Aster, Dahlia, Goldenrod

Light:

Sun

Plant Height:

6-36 inches tall, depending on variety

Zones:

5-9

Plant Type:

Perennial

A meadow dotted with clumps of this plant, often called blue-eyed grass, is a lovely sight. Where it is hardy, 'Aunt May' has...read more >

Plant with : Lupine, Perennial geranium, Iris

Light:

Sun

Plant Height:

3 feet tall

Zones:

4-8

Plant Type:

Perennial,Shrub

Offering rare blue late-season flowers, bluebeard grows into a compact and flattering companion to other late bloomers such as...read more >

Light:

Sun,Part Sun

Plant Height:

1-4 feet tall

Zones:

3-9

Plant Type:

Perennial

Amsonia is one of those plants that will make people stop in their tracks and ask what it is. At its peak in mid- to late spring,...read more >

Plant with : Catmint, Iris, Veronica

Light:

Sun,Part Sun

Plant Height:

3-5 feet tall

Zones:

4-8

Plant Type:

Perennial

Looking almost like a tall baby's breath, boltonia is a large, late summer showstopper in the perennial border. Also known as...read more >

Plant with : Bluestar, Joe Pye weed, Miscanthus

Light:

Sun,Part Sun,Shade

Plant Height:

1-2 feet tall

Zones:

2-11

Plant Type:

Annual,Perennial

Browallia earns its nicknames of amethyst flower and sapphire flower for the richness of its small blue flowers, which pop out...read more >

Plant with : Impatiens, Sweet potato vine, Begonia

Light:

Part Sun,Shade

Plant Height:

6-9 inches tall

Zones:

3-6

Plant Type:

Perennial

Like its dogwood relatives, bunchberry has flowers surrounded by showy white bracts in spring. After flowering, small bunches of...read more >

Plant with : Hosta, Foamflower, Hydrangea