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1
Plant Descriptions: Beginning with Letter T
BOTANICAL NAME
HEIGHT SPACING
COLOR
SEASON
LIGHT
HABIT
Teucrium chamaedrys WILD GERMANDER Often used for edging and in rock gardens, thriving in sun and
drained soil. An easier alternative to boxwood or lavender for knot gardens. A first class example can be seen at the
Central Park Conservatory Garden in New Yory City.
Teucrium chamaedrys
9 in.
1 ft.
soft pink
summer
Su
clump
Thalictrum delavayi MEADOW RUE Likes ordinary moist fertile soil with organic matter added to retain moisture.
Over fertilizing weakens it. Popular as graceful and decorative plants with delicate fern-like foliage for the border or
wildflower garden. T. rochebrunianum bears airy, purplish flowers similar to T. delavayi but has glaucous foliage
and is an overall larger plant, self-supporting with thicker stems. Both are indispensable to break heavy foliage and
flower patterns. Thalictrum flavum glaucum begins blooming earlier than other species , has blue foliage, sturdy but
delicate in appearance
Thalictrum aquilegifolium 'Thunder Cloud' 24 - 36 in. 24 in.
dbl red
Thalictrum delavayi
4 - 5 ft. 18 - 24 in.
lilac
Thalictrum flavum glaucum
6 ft.
2 ft.
pale yellow
Thalictrum kiusianum
3 - 4 in. 6 - 12 in.
lilac
Thalictrum rochebrunianum 'Lavender
6 - 8 ft. 18 - 24 in.
lavender
Mist'
july-aug.
summer
l.spr.-e.sum.
summer
summer
Su-pSh
Su-pSh
Su-pSh
Su-pSh
Su-pSh
clump
clump
clump
spreader
clump
Thermopsis FALSE LUPINE The foliage and flowers of Thermopsis are similar to Baptisias and Lupines. Plants
form 1-2ft. wide clumps and will succeed grown in any moderately fertile well drained soil.
Thermopsis caroliniana
Thermopsis lanceolata
3 - 4 ft.
30 in.
3 - 4 ft.
18 - 24 in.
yellow
yellow
june
summer
Su
Su-pSh
clump
clump
Thymus THYME Prefers light, well drained soil with sunny, average to dry conditions. Enjoyable aromatic herb
often used for walkway edges and rock gardens. Shear or trim according to taste, and cut off dead winter wood. T.
praecox 'Coccineus' (T. serphyllum 'Coccineus') MOTHER OF THYME is impressive with dark dense foliage
shining and glistening, especially covered with blooms. As a general ground cover T. praecox 'Pseudolanuginosus'
(T. pseudolanuginosus) WOOLY THYME forms a flat gray mat, and can be used most successfully in walkway or
rock cracks. All have aromatic foliage.
Thymus praecox 'Coccineus'
Thymus praecox 'Doretta Klaber'
Thymus praecox 'Pink Chintz'
Thymus praecox 'Pseudolanuginosus'
1 in.
2 - 3 in.
1/4 in.
1 in.
12 - 18 in.
12 in.
6 - 12 in.
18 in.
crimson
dark pink
pink
lilac pink
summer
summer
summer
summer
Su
Su
Su
Su
carpet root
carpet root
carpet root
carpet root
2
Tiarella cordifolia FOAMFLOWER Beautiful foliage forms a low and neatly mounded background that makes the
blooms glow. These long lasting spring flowers rise above the foliage, opening from pink tinted buds to pure white or
pinkish flowers creating a soft impression to brighten the shade. Numerous tiny flowers stem from the stalk all along
a 3 to 4 in. flowerhead in an airy yet upright fashion. During spring and fall the leaves noticeably have more
pronounced burgundy variegation in the veins, and usually become bronzed during winter. Needs moist, fertile soil to
perform. Flowers have a sweet but gentle fragrance.
Tiarella cordifolia
8 - 12 in. 12 - 18 in.
Tiarella 'Brandy Wine'
Tiarella 'Dark Star'
Tiarella 'Dunvegan'
Tiarella 'Elizabeth Oliver'
Tiarella 'Iron Butterfly'
Tiarella 'Lace Carpet'
Tiarella 'Martha Oliver'
Tiarella 'Mint Chocolate'
Tiarella 'Oakleaf'
Tiarella 'Running Tapestry'
Tiarella 'Slickrock'
Tiarella 'Spring Symphony'
8 - 10 in.
13 in.
10 in.
8 - 10 in.
16 in.
8 - 10 in.
12 in.
15 in.
10 in.
12 in.
6 in.
10 in.
12 - 18 in.
18 in.
12 - 18 in.
12 - 18 in.
18 in.
12 - 18 in.
18 in.
12 - 18 in.
18 in.
12 - 18 in.
18 - 24 in.
18 - 24 in.
white -pale
pink
light pink
pale pink
light pink
light pink
white
white
white
pink tinted
pink
white
white
pink
spring
pSh-Sh
spreader
spring
spring
spring
spring
spring
spring
spring
spring
spring
spring
spring
spring
pSh-Sh
clump
pSh-Sh spreader
pSh-Sh
clump
pSh-Sh spreader
pSh-Sh
clump
pSh-Sh spreader
pSh-Sh
clump
pSh-Sh
clump
pSh-Sh
clump
pSh-Sh carpet root.
pSh-Sh carpet root
pSh-Sh
clump
Tradescantia 'Sweet Kate' SPIDERWORT Compact spiderwort hybrid with clear bright yellow foliage and
beautifully contrasting blue purple flowers. Plants will grow well in part shade but flower more, and have better
foliage color in more light. Light greeny yellow in shade, screaming yellow in more sun. For any well drained garden
soil.
Tradescantia 'Concord Grape'
Tradescantia 'Sweet Kate'
15 - 18 in.
15 in.
3 ft.
18 in.
deep purple
blue purple
l.spr.-fall
e.summr fall
Su-pSh
Su-pSh
clump
clump
Tricyrtis hirta TOAD LILY An exciting surprise for your shade garden. Toad lilies are on the short list of good late
bloomers for the shade. This plant loves deep, slightly acidic, humusy, moist and fertile soil. Get a close look at these
whitish to pale purple blooms splashed with darker purple spots and blotches, which portray an orchid-like
appearance. Long oval to lance shaped leaves attach directly to the stem, both of which are covered with fine soft
hairs. Blooms profusely and upright along arching leaf stems. T. hirta ' Miyazaki' is an improved form of this
species. T. formosana, long blooming, is stoloniferous but not invasive. T. 'Sinonome' forms an upright vase shaped
clump with noteworthy clean foliage and drought tolerance. Shorter than the above, the flower coloring of T.
'Hatataogisa' gives the impression of watercolors. T. formosana 'Samurai' is stoloniferous, has a compact form and
green leaves with cream to gold leaf edges.
Tricyrtis formosana
Tricyrtis formosana 'Samurai'
Tricyrtis hirta
Tricyrtis hirta 'Miyazaki'
Tricyrtis hirta 'Variegata'
Tricyrtis 'Hatataogisa'
Tricyrtis 'Sinonome'
36 in.
18 in.
3 ft.
2 - 3 ft.
2 - 3 ft.
24 in.
2.5 ft.
18 in.
white / purple
18 - 24 in.
purple
2 ft.
white / purple
2 ft.
white / purple
2 ft.
white / purple
18 in. blue,purple,white
2 ft.
white / ruby
autumn
autumn
autumn
autumn
autumn
autumn
autumn
pSh
pSh
pSh
pSh
pSh
pSh
pSh
spreader
spreader
clump
clump
clump
clump
clump
3
Trollius chinensis 'Golden Queen' GLOBEFLOWER Use by water or in bog gardens, but also does very well in
gardens with consistently moist fertile soil. Handsome dark green foliage. Eye catching yellow to orange flowers
serve great as cut flowers. Leaves have 3 to 5 divisions with toothed edges and fan out in a palm-like manner. T.
'Lemon Queen' has cool lemon yellow flowers.
Trollius chinensis 'Golden Queen'
Trollius 'Lemon Queen'
24 - 32 in. 1.5 - 2 ft.
18 - 24 in.
18 in.
gold yellow l. spr. - e. sum. Su-pSh
lemon yellow l..spring - sum. Su-pSh
Phone 845-735-2904
BILL KOLVEK PERENNIALS / P.O.Box 8525 Woodcliff Lake, NJ 07677 / FAX# 845-735-1157
clump
clump