Van Bourgondien

Garden Guide Perennials

Varieties

Tricyrtis

(Toad Lily) Plant in slightly acidic, deep, moist, humusy soil in part shade to full sun. In colder areas plant in sun to guarantee blooming before frost. Space 18" apart. Never let the roots dry out. Mulch well to conserve moisture. Water deeply during hot weather. Divide only when necessary. Does not like to be disturbed. Grows 24-36" tall. Blooms August-September. Hardy in zones 4-8.

Tritoma

See Kniphofia uvaria

Tritonia

Plant in well-drained, fertile soil in full sun. Space 5" apart and plant 3-4" deep. Grows 12-24" tall. Blooms early to mid-summer. Hardy in zones 8-11, elsewhere dig in winter and store in cool, dry, well-ventilated area.

Trollius

(Globeflower) Plant in moist soil in full sun to partial shade. Good for boggy areas. Space 12" apart. Grows 18-24" tall. Blooms June-August. Especially long blooming if kept deadheaded. Hardy in zones 3-10, depending on variety

Typha

(Cattail) Ideal plant for planting on the edge of ponds or submerging into a pond, but not deeper than 8". Plant in plastic or earthenware container in heavy topsoil. Cover the entire plant with growing medium unless green growth is showing. Any growth should be exposed to the air. Water thoroughly after planting. Let plant grow to about 4" tall before submerging the pot into the pond. Can also be planted directly into the ground as long as there is an abundance of moisture. In cold areas, protect plants from frost by applying a layer of straw or leaves. Hardy in zones 2-11.

Uvularia grandiflora

(Bell Worts) Plant in partial to full shade in moist, rich, organic soil, 1" deep and space 1' apart. Uvularias have a creeping rootstock, forming nice clumps. Grows 20" tall. Blooms April-June. Hardy in zones 4-9.

Verbascum

Plant in the spring or fall in full sun to partial shade in any well-drained, average soil. However, they will adapt to wet or cold growing conditions. Space plants 18-24" apart. Remove spent flowers to encourage reblooming. Grows 2-3' tall and 18-24" wide. Blooms June-July. Hardy in zones 3-9.

Veronica

(Speedwell) Plant in average, moist, welldrained soil in full sun to partial shade. Space 12-18" apart. Do not plant in rich soil or plant will become weak and sprawl. Divide every 3-4 years. Grows 12-24" tall. Blooms June-September, depending on variety. Hardy in zones 4-9.

Vinca minor

(Periwinkle) Plant in well-drained, fertile soil in sun or shade. Space 12" apart. Keep watered throughout the growing season. Grows 4-10" tall. Blooms early summer, but grown for its evergreen foliage as a vigorous groundcover. Hardy in zones 4-9.

Viola cornuta

(Violet) Plant in organically rich, moisture-retentive soil in partial shade. Space 12" apart. Fertilize in very early spring. Mulch to conserve water and keep roots cool. Grows 8-10" tall. Blooms April-May. Hardy in zones 4-9.