Plants A-Z

Impatiens wallerana

Impatiens

Usually grown as an annual evereywhere, this is one of the best bedding plants for shade. Rapid, vigor...

Incarvillea delavayi

Hardy Gloxinia

Grows 2 ft. high, 1 ft. wide. Grows from a carrot-shaped perennial root and forms a rosette of foot-lo...

Indigofera kirilowii

Indigo Bush

Native to northernChina, Korea, and Japan.To 2 1/2–3 ft. high, 3 ft. wide, with upright shoots and ere...

Indocalamus tessellatus

China and Japan. This running bamboo grows 3 ft. tall and spreads rapidly. Leaves are broad, 2 ft. lon...

Inula magnifica

Magnificent Elecampane

From Europe. To 7 ft.tall with 3–6-in. daisies on branching stems in late summer. Docklike leaves are ...

Iochroma cyaneum

Grows to 8 ft. or more, with dull dark green leaves. Stems and new shoots covered with soft, grayish d...

Ipheion uniflorum

Spring Star Flower

An excellent choice for naturalizing, this bulb produces several slender stems up to 1 ft. high, each ...

Ipomoea indica

Blue Dawn Flower

Vigorous, rapid growth 15 to 30 ft. Dark green, heart-shaped or three-lobed leaves. Clusters of 3- to ...

Ipomoea purpurea

Common Morning Glory

Native to tropical America, this annual grows 5 to 10 ft., climbs vigorously. Large, trumpet-shaped fl...

Ipomoea quamoclit

Cypress Vine

This annual grows 20 ft., with 2 1/2- to 4-in.-long leaves finely divided into slender threads. Summer...

Ipomoea tricolor

Morning Glory

Vigorous growth to 10 to 15 ft., with large, heart-shaped leaves. Showy, funnel-shaped to bell-like fl...

Ipomopsis aggregata

Native from Californiato British Columbia, eastto Rocky Mountains. To 2 1/2 ft. high and 1 ft. wide. F...