Sweetpepper Bush; Summersweet (Clethra alnifolia). Deciduous eastern North American shrub Description: Upright racemes of delicately fragrant, white flowers in mid-summer when few other woody plants are in bloom; a favorite of bees Habit: Grows 3 to 8 feet high and 4 to 6 feet wide, form... - Sweetpepper Bush; Summersweet (Clethra alnifolia).
Sweetshrub (Calycanthus floridus). Hardy, North American shrub Description: Deep maroon, sweetly fragrant flowers in late spring Habit: Grows to 7 feet tall and 10 feet across Culture: Prefers full sun or light shade and rich, evenly moist, garden loam Hardi... - Sweetshrub (Calycanthus floridus).
Sword Flag or Corn Flag (Gladiolus communis ssp. byzantinus). Hardy, late spring-flowering bulb Description: Bright, deep-magenta flowers, up to 15 per stem, on 24-inch stalks above sword-like, fan-shaped foliage Habit: Grows 1 to 2 feet tall and up to 1 1/2 feet wide; may requir... - Sword Flag or Corn Flag (Gladiolus communis ssp. byzantinus).
Tall Thimbleweed (Anemone virginiana). Hardy, spring-blooming North American perennialDescription: Single, five-sepaled, greenish-white, upward-facing flowers rise on erect stems with whorls of deeply-divided leaves partway up the stems; distinctive, thimble... - Tall Thimbleweed (Anemone virginiana).
Tatarian Aster (Aster tataricus). Description: Hardy perennial bears lavender-blue flower heads in large clusters atop tall stalks in early fallHabit: 4-6 foot flower stalks from spreading clumps of paddle-shaped foliageCulture: Prefers full sun or light shade and evenly moist,... - Tatarian Aster (Aster tataricus).
Toothwood Fern (Dryopteris carthusiana). Description: Hardy, North American perennial - Finely-divided, lacy, bright green frondsHabit: Grows 18 to 36 inches high, forms vase-shaped clumps up to 36 inches wide Culture: Prefers partial to full shade and moist but well... - Toothwood Fern (Dryopteris carthusiana).
True Delight Iris (Iris x germanica cv.). Hardy, spring-flowering rhizomatous perennialDescription: Tall, plicata bearded iris; white standards and falls are edged in lavender "stitching"Habit: Erect, clump forming plants grow 3 feet high and 1-2 feet wide; spreading slow... - True Delight Iris (Iris x germanica cv.).
Trumpet Honeysuckle (Lonicera sempervirens). Woody, North American twining climber Description: Long, tubular flowers are rich, scarlet-orange outside and yellowish-orange inside, produced in clusters in late spring and sporadically through summer; foliage is dark green... - Trumpet Honeysuckle (Lonicera sempervirens).
Tufted Hair Grass (Deschampsia cespitosa). Hardy, North American perennial grassDescription: Narrow, arching, dark green grass blades form a neat mound; airy, cloud-like, purplish-green flower panicles rise above the foliage in mid-summer and turn shades of gold... - Tufted Hair Grass (Deschampsia cespitosa).
Turk's Cap Lily (Lilium superbum). Hardy, late spring to summer-flowering bulb Description: Magnificent red-flushed orange flowers with maroon spots on 5-10-foot stalks. Numerous flowers per stem Habit: Plant bulbs 2-3 times the height of the bulb. Cultures: Prefers rich&comm... - Turk's Cap Lily (Lilium superbum).
Twinleaf (Jeffersonia diphylla). Hardy, North American perennial Description: Small white flowers resembling those of bloodroot appear on stems in early spring before the leaves expand. Unusual lidded seedpods mature in early summer. Habit: Grows to 10 inches high and 12 inc... - Twinleaf (Jeffersonia diphylla).
Umbrella Magnolia (Magnolia tripetala). Hardy, deciduous North American treeDescription: Cup-shaped, creamy white flowers in spring as foliage appears; dark-green, broad leaves tapering to the base, silvery underside; cone-like fruits turn pale green to pink in fal... - Umbrella Magnolia (Magnolia tripetala).
Vanhoutte Spirea (Spiraea x vanhouttei). Hardy, deciduous, spring flowering shrubDescription: A profusion of white flowers borne in dense clusters on arching branches. Bluish-green foliage.Habit: Grows 8 to 10' high and spreads 10 to 12'. Vase shaped or fountain-like habit. C... - Vanhoutte Spirea (Spiraea x vanhouttei).
Victoria Rhubarb (Rheum x coltorum cv.). Description: Hardy, perennial kitchen garden leaf-vegetable with large, heart-shaped, deep green leaves are waved or undulated on the margins; broad, edible, green and crimson leaf-stalks are sweet and juicyHabit: Clump-... - Victoria Rhubarb (Rheum x coltorum cv.).
Virginia Bluebells (Mertensia virginica). Hardy, North American early spring-flowering perennial Description: Delicate, terminal clusters of light pink buds, which open to flared, long-tubular, sky-blue to purple flowers Habit: Grows 18" high and 12-18" wide; er... - Virginia Bluebells (Mertensia virginica).
Virginia Stewartia (Stewartia malacodendron). Hardy, deciduous, native shrub or small treeDescription: Pure white, 2-3", camellia-like blossoms with showy centers (dark purple filaments with bluish anthers) in early summer; leaves are deeply veined and have silky undersi... - Virginia Stewartia (Stewartia malacodendron).
Virginia Sweetspire (Itea virginica). Hardy, deciduous, North American shrub Description: Dense, arching, 6-inch spikes of fragrant, creamy white flowers in summer; beautiful mahogany to bright red-orange and purple fall color Habit: Grows 4 feet tall and ... - Virginia Sweetspire (Itea virginica).