This cultivar of the popular blue phlox has round, full flowers with overlapping petals. It is noteworthy for its particularly rich blue-violet color. Use it in rock gardens or alpine houses, in a dry wall, or as edging.

This is a very fragrant native woodland phlox with powder-blue flowers in spring. Reaching only 1 foot tall, it can spread to almost 2 feet and makes an attractive groundcover under shrubs or planted with other spring-blooming wildflowers. Leaves are semi-evergreen and hairy; stems root along their length. The blue flowers are salverform with petal lobes. This plant attracts hummingbirds and butterflies.

This spreading, semi-evergreen perennial has hairy leaves and lavender-blue to pale violet and white flowers borne in open clusters in early spring. Flowers can have notched or unnotched petal lobes. Cultivars include ‘Clouds of Perfume’ with light lavender-blue flowers; ‘Eco Texas Purple’ (dark purple with a violet eye); ‘Fuller’s White’ (white); and ‘London Grove’ (lavender-blue flowers).

This upright, herbaceous perennial has slender, hairy stems reaching 1.5 to 3 feet tall, with clusters of lavender-rose, lilac-pink, or white flowers. The stems often have burgundy spots on them. Blooms appear in early summer and midsummer.

This sturdy, upright perennial reaches 2 to 4 feet tall. In July and August, and through September with deadheading, it bears flowers in shades of white, coral, pink, red, lavender, and violet, depending on the cultivar. Some have a lighter or darker eye, and others have variegated leaves. Many of the cultivars are fragrant; scent is most noticeable at night.

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This pure white phlox is valuable in the garden because of its abundant, fragrant flowers, its sturdy growth habit, and its resistance to powdery mildew. Growing to about 3 ½ feet tall and 2 to 3 feet wide, it blooms from early summer to early fall. It needs a consistently moist soil. Use it in a border or cottage garden. It will glow at dusk.

A dense, vigorous, mat-forming ground cover, creeping phlox has short flower stems from 3 to 12 inches tall. The flowers can be pale lavender-blue, rose-pink, medium violet, or white, with unnotched petals and a yellow center.