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Plant Reference List - T
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900-002D4     Tetrapanax papyrifer       
Sun, Part Shade     Zones 6, 7, 8, 9, 10 White flowers
Some years the tall suckering stems of Tetrapanax papyrifer achieve their full height of 15 feet. If it is mild, the broad leaves will persist throughout the winter even with a thin layer of snow on them. Other years the leaves and stems are cut to the ground by early frost. In the spring, we find new suckering stems emerging. Soon they will develop their enormous palmately divided leaves with felted undersides. Late in the season, each stem forms a densely wooly knob at the top. If there is enough heat, it will open up into a 20-inch panicle of white flowers. Again, if the season continues mild, dark fruits will develop. Over time, the loose colony of stems in our garden has reached fifteen feet across, but we have found ways to companion it with a mix of perennials and shrubs. A note of caution - we have learned to wear gloves when handling the leaves because their fine hairs can irritate the skin.  White bloom   15 ft. x spreading

288-005D4     Teucrium chamaedrys     ( Wall germander )     
Sun, Part Shade     Zones 5, 6, 7, 8, 9 10 Deep Pink flowers
Low, evergreen shrub with crinkled leaves and short sprays of deep pink flowers. Teucrium chamaedrys is good for the front of the border and for edging a path.  April to September. bloom   1 ft. x 1 ft.

288-002D4     Teucrium fruticans     ( Tree germander )     
Sun     Zones 8, 9 Pale Blue flowers
This very broad evergreen shrub would make an excellent low hedge. The gray green leaves of Teucrium fruticans complement the attractive pale flowers produced in terminal racemes.  Summer. bloom   2-3 ft. x 12 ft.

288-010     Teucrium lancifolium       
Sun     Zones (7), 8, 9 Pale Pink flowers
Balearic Islands. The small pale pink buds open up to a myriad of tiny flowers, each with an expanded lower lip that is veined red pink. This small woody perennial has highly aromatic, gray green, lance-shaped leaves that are pebbled on their surface. Teucrium lancifolium is an attractive addition to the dry border.  Summer. bloom   12 in. x 12 in.

288-001     Teucrium scorodonia 'Crispum'       
Sun, Part Shade     Zones 7, 8, 9 Greenish flowers
Because of its rhizomatous nature and the fact that it is evergreen, this makes a fine groundcover in dry woodland borders. Its gray green foliage is very distinct, the substantial leaves being dimpled and crimped along their borders with a little white visible from the underleaf in the crimping. The loose racemes of pale flowers seem almost an after-thought. Yet another added feature in favor of Teucrium scorodonia 'Crispum' is that deer seem to ignore it.  Summer. bloom   10 in. x 12-15 in.

081-012     Thalictrum lucidum     ( Shining meadow rue )     
Sun, Part Shade     Zones 5, 6, 7, 8, 9 Pale Yellow flowers
Shining meadow rue. The common name refers to the gloss on the dark green, somewhat fern-like, divided leaves. The flowerheads are similar to the more familiar Yellow meadow rue, Thalictrum flavum subsp. glaucum. Thalictrum lucidum has been a sturdy plant in our gardens tolerating light shade and occasional dry periods.  Midsummer. bloom   3-5 ft. x 1 ft.

081-010     Thalictrum rochebruneanum       
Part Shade     Zones 5, 6, 7, 8, 9 Lavender Pink flowers
We grow this in our Woodland Garden where it creates an airy backdrop. Thalictrum rochebruneanum has dangling lavender pink flowers with pale yellow stamens. 3 ft. x 2 ft.  Summer. bloom   3 ft. x 2 ft.

091-001D4     Thermopsis montana       
Sun     Zones 3, 4, 5, 6, 7, 8, 9 Soft Yellow flowers
This is a Northwest native. When the new growth of Thermopsis montana emerges from the spring soil, it is a surprising black which soon fades to green. Soon the buds begin to open a primrose yellow. Not a tall plant, but a graceful addition to the early season border. Dark bean-shaped seed pods are an added attraction.  Late spring to early summer. bloom   2.5 ft. x 2 ft.

417-004D4     Thuja occidentalis 'Hetz Midget'       
Sun     Zones 2, 3, 4, 5, 6, 7, No flowers
After 10 years in our gardens, Thuja occidentalis 'Hetz Midget' remains a dwarf. The scale-like leaves are tightly pressed to their stems. In late autumn, their yellow green takes on brown tones, especially at the tips of the branches. This is an ideal shrub for the new small urban garden adding texture and structure without being ostentatious.    26 in. x 26 in.

417-004-1     Thuja occidentalis 'Hetz Midget'       
Sun     Zones 2, 3, 4, 5, 6, 7, No flowers
After 10 years in our gardens, Thuja occidentalis 'Hetz Midget' remains a dwarf. The scale-like leaves are tightly pressed to their stems. In late autumn, their yellow green takes on brown tones, especially at the tips of the branches. This is an ideal shrub for the new small urban garden adding texture and structure without being ostentatious.    26 in. x 26 in.

417-001D4     Thuja occidentalis 'Sherwood Frost'       
Sun     Zones 3, 4, 5, 6, 7, 8 No flowers
A medium sized columnar evergreen tree with extraordinary cream-gold variegation. Thuja occidentalis 'Sherwood Frost' is irresistible in the winter garden.    3-6 ft.

417-002D4     Thuja plicata 'Stoneham Gold'       
Sun     Zones 5, 6, 7, 8 N/A flowers
Thuja plicata 'Stoneham Gold' is an attractive conical dwarf form with young gold foliage aging to green as it matures.    6 ft. x 6 ft.

417-003D4     Thuja plicata 'Zebrina'       
Sun     Zones 6, 7, 8 No flowers
Thuja plicata 'Zebina' is a splendid fast growing pyramidal tree with bands of yellow in the foliage giving an overall golden dappled appearance.    40 ft. x 12 ft.

554-002-1     Thujopsis dolobrata       
Sun     Zones 5, 6, 7, 8 No flowers
Thujopsis dolobrata has a distinctive braided look to the relatively broad flat evergreen foliage which is whitish underneath. A Great Plant Picks selection.    70 ft. x 30 ft.

554-003D4     Thujopsis dolobrata 'Nana'       
Sun     Zones 5, 6, 7, 8 N/A flowers
We have grown this compact shrub for more than 10 years and always marvel that this is a sport from the giant trees we have seen in the woods outside of Nagoya, Japan. The flattened branches of Thujopsis dolobrata 'Nana' are tightly covered with yellow green, scale-like leaves. Their many-branched stems create an eddying pattern when viewed from above. An excellent dwarf evergreen for a small garden, offering structure, rhythm and texture. Who could ask for anything more? A Great Plant Picks selection.    2.5 ft. x 32 in.

554-001D4     Thujopsis dolobrata 'Variegata'       
Sun     Zones 5, 6, 7, 8, No flowers
Thujopsis dolobrata 'Variegata' is a dense lustrous green conifer with interesting flattened branchlets which are marked with creamy white variegation.    30 ft. x 12 ft.

280-027     Thymus citriodorus 'Archer's Gold'       
Sun     Zones 6, 7, 8, 9 Lavender Pink flowers
This lemon-scented thyme has tiny bright yellow leaves. It is compact in habit. Thymus x citriodorus 'Archer's Gold' is excellent as a groundcover in a dry border.  Summer. bloom   12 in. x 10 in.

280-001     Thymus citriodorus 'Aureus'       
Sun     Zones 5, 6, 7, 8, 9 Lavender Pink flowers
Thymus x citriodorus 'Aureus' is a small bushy shrublet characterized by the intense lemon scent of its foliage. Gold dappled leaves.  Summer. bloom   10 in. x 10 in.

280-016     Thymus citriodorus 'Bressingham'       
Sun     Zones 6, 7, 8, 9 Clear Pink flowers
Thymus x citriodorus 'Bressingham' is an excellent groundcover forming tight mats of tiny, gray green foliage with a citrus scent. Dazzling when it is in full bloom and abuzz with bees.  Summer. bloom   4 in. x 14 in.

280-050     Thymus citriodorus 'Lemon Frost'     ( Thyme )     
Sun     Zones 5, 6, 7, 8, 9, 10 White flowers
When we first grew Thymus x citriodorus 'Lemon Frost,' we assumed from the name that the leaves would be lightly variegated with yellow. We were surprised when the glossy, evergreen leaves did not have variegation. Later, when the herb was covered with tiny white flowers, it became clear that they were the frost on this lemon thyme. The fragrant leaves may be used in cooking but they also make a nice evergreen groundcover that will take light (and aromatic) foot traffic.  July. bloom   2 in. x 16 in.

280-023     Thymus 'Doone Valley'     ( Thyme )     
Sun     Zones 5, 6, 7, 8, 9 Purple Pink flowers
This mounding thyme forms a showy shrublet. Early in the season, if you look carefully, you can see that the leaf stems of Thymus 'Doone Valley' are red purple, beautifully complementing the yellow green leaves. Later, during the growing season, the evergreen leaves are darker and flecked with yellow spots. In addition, the small, lance-shaped leaves are very aromatic and may be used for culinary purposes. Plant this along your sunny garden paths for easy access for harvesting and for the joy of running your hands over the fragrant leaves.  Summer. bloom   5 in. x 14 in.

280-054     Thymus 'Foxley'     ( Thyme )     
Sun     Zones 7, 8, 9, 10, 11 Dark Pink flowers
Thymes can play many roles in the garden - as groundcovers, for culinary purposes and for their ornamental value. Thymus 'Foxley' wears all three hats. It forms dense aromatic mats; the tiny dark leaves have a fine flavor; and the cream and green variegation of the foliage is attractive. We especially like the fact that the variegation appears mostly at the tips of the stems. During the cold weather when the variegation turns pink and cream, it looks as if tiny flowers had bloomed. This was developed at Foxhollow Herb Nursery, England, and introduced to the public in 1997.  Summer. bloom   8 in. x 12 in.

280-039     Thymus 'Gold Transparent'       
Sun     Zones 5, 6, 7, 8, 9 Lavender Pink flowers
Our most popular thyme forms mats of highly shiny gold green foliage. We use Thymus 'Gold Transparent' as a ground cover in the Four Seasons Garden. It holds up well to our winters, making it a good choice for containers as well. Especially lovely when combined with blue blooming shrublets such as Caryopteris `Dark Knight' or the silver foilage of lavender.  Summer. bloom   3-5 in. x 12 in.

280-019     Thymus herba-barona 'Carroway Scented'       
Sun     Zones 6, 7, 8, 9 Pale Pink flowers
The cultivar name Thymus herba-barona 'Carroway Scented' is redundant since this is commonly called carroway thyme due to the rich aroma of its leaves. This forms a low loose mat of tiny lance-shaped leaves and becomes especially lovely when in bloom.  Midsummer. bloom   4 in. x spreading

280-030     Thymus 'Nutmeg'       
Sun     Zones 5, 6, 7, 8 Carmine Red flowers
This is a very low, tight groundcover, Thymus 'Nutmeg' is ideal for trailing over walls.  Summer. bloom   1 in. x 14 in.

280-028     Thymus 'Pinewood'       
Sun     Zones 7, 8, 9 White flowers
There is a strong piney scent in the dark green leaves of this small shrubby herb. Thymus 'Pinewood' can be used for cooking.  Summer. bloom   10 in. x 1 ft.

280-035     Thymus 'Pink Ripple'       
Sun     Zones 4, 5, 6, 7, 8, 9 Pink flowers
Because of its mat-forming nature, we grow Thymus 'Pink Ripple' over a low wall. It has reached the base of the wall and forms a mat on the ground which we occasionally step on as we work. Of course, when we do so, we get a whiff of its aromatic leaves. The cultivar name describes the masses of tiny pink flowers that cover this thyme in summer. When in bloom, it is the gathering place of many different types of bees. Though its foliage is semi-evergreen it needs to be cut back at the end of winter to promote new growth and to keep it looking fresh.  Early to midsummer. bloom   6 in. x spreading

280-020     Thymus polytrichus 'Minus'       
Sun     Zones 5, 6, 7, 8, 9 Rose flowers
Thymus polytrichus (praecox) 'Minus' has incredibly tiny scale-like foliage and is a ground hugging perennial.  Summer. bloom   1 in.

280-031     Thymus pseudolanuginosus     ( Woolly thyme )     
Sun     Zones 5, 6, 7, 8, 9 Pale Pink flowers
A prostrate groundcover often used to grow between flagstones in a path or terrace or to grow over a low wall. The foliage of Thymus pseudolanuginosus is a woolly gray green.  Early summer. bloom   1/2 in. x indefinite.

280-022     Thymus serpyllum 'Pink Chintz'       
Sun     Zones 4, 5, 6, 7, 8, 9 Pink flowers
A mat forming shrublet with trailing stems of aromatic mid-green foliage. Thymus serpyllum 'Pink Chintz' blooms in terminal whorls in summer.  Summer. bloom   10 in. x 18 in.

280-041     Thymus 'Silver Posie'       
Sun     Zones 7, 8, 9 Purple Pink flowers
A stunning woody shrublet with tiny white margined foliage suffused with pink. Thymus 'Silver Posie' hardly needs to bloom it is so beautiful. However, when it is covered in tiny pink flowers, it is spectacular. Aromatic.  Summer. bloom   8 in. x 10 in.

280-040     Thymus vulgaris 'French'       
Sun     Zones 7, 8, 9 White flowers
Grow Thymus vulgaris 'French' for the excellent flavor of its foliage. Forms an attractive gray-green mat.  Early summer. bloom   1 in. x 18 in.

395-003D4     Trachelospermum asiaticum 'Ogon Nishiki'     ( Star jasmine )     
Sun, Part Shade     Zones 7, 8, 9, 10 Yellowish White flowers
The Japanese name for this twining vine translates to "gold brocade" which only describes one aspect of this very visually complex plant. Young leaves are decidedly a rich amber in color with dark green streaks. As the leaves age their amber turns lemon yellow ("gold") and then eventually becomes ivory. All of these colors are present on the plant at the same time giving it a brocade appearance. Star jasmine leaves are thick and glossy and somewhat rounded in shape. The intensely fragrant flowers are arranged in terminal cymes on lateral stems that are produced on older wood. Individual flowers are 5-petaled in a whirligig fashion.  Summer. bloom   Up to 20 ft.

395-006D4     Trachelospermum asiaticum 'Shirofu Chirimen'       
Sun, Part Shade     Zones 7, 8, 9, 10 White flowers
The name 'Shirofu Chirimen' means" white variegated crepe" in Japanese which describes the pattern of the white veining and marking on the small green leaves of this evergreen climber. This dwarf, slow growing vine forms a small shrub before it begins to send out its tendrils and begins to climb. This has wintered outside in containers for us but we recommend protection during the coldest weather. We have never seen flowers and the literature available suggests that it rarely blooms.  Rarely blooms. bloom   3 ft.

395-001-1     Trachelospermum jasminoides     ( Star jasmine )     
Sun, Part Shade     Zones 8, 9, 10 White flowers
Local customers frequently ask for evergreen climbers. Trachelospermum jasminoides is one that we can reliably recommend for Pacific Northwest gardens. Once this woody climber is established, we have found it to be easy to grow and not overly demanding of water. Its large dark green leaves are the perfect backdrop to display its clusters of white, very fragrant flowers which bloom at the ends of both the terminal and axillary stems. The leaves are rounded and thick to the touch.  Summer. bloom   20-28 ft.

395-005D4     Trachelospermum jasminoides 'Variegatum'     ( Star jasmine )     
Sun, Part Shade     Zones 7, 8, 9 White flowers
Star jasmines are popular as evergreen climbers and also for the fragrance of their white flowers. Trachelospermum jasminoides 'Variegata' offers a variation on that theme with the same glossy, leathery leaves that are veined and marked in white. Sometimes whole leaves will appear entirely pale. We have found this plant to be slower to flower than the green-leafed form. This looks lovely spilling out of large containers, draping off of deck and porch railings, or vining up trellises in lightly shaded areas.  Summer. bloom   20 ft.

537-006D4     Tradescantia andersoniana 'Osprey'     ( Spiderwort )     
Sun, Part Shade     Zone 5, 6, 7, 8, 9 White flowers
Rapidly forming clumps of arching, somewhat fleshy, blade-like foliage. Tradescantia xandersoniana 'Osprey' has particularly lovely white flowers with dramatic contrasting blue stamen filaments.  Early summer to fall. bloom   16-24 in. x 18 in.

537-007D4     Tradescantia 'Blue & Gold'       
Part Shade     Zones 5, 6, 7, 8, 9 Purple Blue flowers
Although the name Tradescantia 'Blue & Gold' indicates that the flowers are blue, they should best be called purple blue. The foliage is appropriately green gold. Their vibrant combination never fails to catch the eyes of unsuspecting visitors as they round the bend from the Lavender Path to the Texture Garden.  Summer. bloom   18 in. x 24 in.

537-001D4     Tradescantia 'Red Cloud'     ( Spiderwort )     
Sun, Part Shade     Zones 5, 6, 7, 8, 9 Cerise flowers
A clump-forming perennial with fleshy, lance-shaped leaves. The 3-petaled, reddish flowers appear in terminal cymes. Individual flowers are about 1.5 inches across. Tradescantia 'Red Cloud' is easy to grow and useful in a part-shade border.  Early summer to early autumn. bloom   18 in. x 18 in.

000-027     Tricyrtis 'Blu-Shing Toad'     ( Toad lily )     
Part Shade     Zones 6, 7, 8, 9 Lavender flowers
This vigorous form of Tricyrtis formosana was collected in Taiwan by Bleddyn and Sue Wynn-Jones, owners of Crug Farm in Wales. Intensely spotted flowers adorn arching stems.  Late summer. bloom   2 ft. x 2 ft.

000-021     Tricyrtis 'Empress'       
Shade, Part Shade     Zones 5, 6, 7, 8, 9 White flowers
When this bloomed for us the first time, we could not keep our eyes off the extra large flowers with their red purple dotting. The lance-shaped foliage has exceptional vigor. All round, Tricyrtis 'Empress' is a winner for the shade garden.  August to September. bloom   28 in. x 29 in.

000-020     Tricyrtis formosana 'Samurai'     ( Toad lily )     
Shade, Part Shade     Zones 5, 6, 7, 8, 9 Orchid Purple flowers
The graceful stems of Tricyrtis formosana `Samurai' are at their peak in the post-summer garden when their terminal cymes of up-facing flowers begin to open. But even in the spring this arching perennial is not without interest, for each lance-shaped leaf is edged delicately in gold. A Great Plant Picks selection.  Late summer to early autumn. bloom   16 in. x 24 in.

000-013     Tricyrtis formosana var. stolonifera       
Part Shade, Shade     Zones 6, 7, 8, 9 White/Purple Spots flowers
Because of its stoloniferous nature, this used to be called Tricyrtis stolonifera. We assume that the specific name "formosana" is in reference to the island of Formosa (now Taiwan) where this plant is found. Tricyrtis formosana var. stolonifera has narrow, glossy, dark green leaves with occasional purple speckling. That same characteristic is true of the star-shaped flowers as well. They are dramatically splashed with purple spots. The upward facing flowers are held in branched arrangements at the stem terminals. Grow this herbaceous perennial in a somewhat moist woodland setting for best results.  Early autumn. bloom   32 in. x 18 in.

000-023     Tricyrtis 'Gilt Edge'       
Shade, Part Shade     Zones 5, 6, 7, 8, 9 Lavender flowers
As the name indicates, the leaves of this selection have irregular chartreuse margins that age to gold. Tricyrtis 'Gilt Edge' is a plant of good vigor with the same lovely flowers of the species. Dan Heims of Terra Nova Nursery, which introduced it, gives this high ratings for keeping its foliage looking attractive into the fall. A Great Plant Picks selection.  Autumn. bloom   12 in. x 24 in.

000-024     Tricyrtis hirta       
Part Shade     Zones 4, 5, 6, 7, 8, 9 White & Purple flowers
Toad lily. This is an especially vigorous and free-flowering form of this clump-forming species. Tricyrtis hirta has tall stems with lightly rippled lance-shaped foliage which create attractive patterns in the garden from spring to summer. But in August the real show begins when fleshy white flowers with mottled purple spots open singly or in clusters at the leaf axils.  Late summer to mid-autumn. bloom   32 in. x 24 in.

000-000     Tricyrtis hirta 'Miyazaki'     ( Hairy toad lily. )     
Part Shade, Shade     Zones 5, 6, 7, 8, 9 White and Lilac flowers
Tricyrtis hirta 'Miyazaki' has small spotted flowers on arching stems.  Early fall. bloom   3 ft.

000-017     Tricyrtis 'Togen'       
Part Shade, Shade     Zones 5, 6, 7, 8, 9 Lavender flowers
The pristine lavender flowers of Tricyrtis 'Togen' fading to white at the throats make this hybrid a must for the fall shade garden. A Great Plant Picks selection.  Fall. bloom   3 ft.

659-004     Trifolium repens atropurpureum       
Sun, Part Shade     Zones 4, 5, 6, 7, 8 White flowers
Trifolium repens atropurpureum is a charming 3-leafed clover with purple leaves outlined in green. Showy white clover flowers are a bonus. Some worry about the running nature of this plant but it has always been polite and easy to maintian in our garden. It also makes an excellent addition in small ornamental containers.  Summer. bloom   4 in. x indefinite.

659-001     Trifolium repens 'Purpurascens Quadrifolium'       
Sun, Part Shade     Zones 4, 5, 6, 7, 8 White flowers
Like a dark maroon 4-leaf clover with each leaflet edged mid-green. A striking spreader with small white flowers. Very popular.  Midsummer. bloom   4 in. x indefinite.

850-009     Triteleia hyacynthina     ( Wild hyacinth )     
Sun     Zones 7, 8, 9, 10 White flowers
Triteleia hyacynthina, often listed as Brodiaea hyacynthina, grows in vernally wet meadows in the Columbia River Gorge. Masses of somewhat flattened flowerheads rise up above the native grasses creating a dazzling visual sweep. Individual umbels are composed of up to 20 small cupped flowers. The basal foliage is linear in shape. Once the high heat of summer arrives, this bulb goes dormant.  Late spring. bloom   28 in. x 4-5 in.

389-003     Trollius chinensis 'Goldkonigin'       
Sun, Part Shade     Zones 5, 6, 7, 8 Tangerine Orange flowers
The vivid, glossy flowers of Trollius chinensis 'Goldkonigin' ('Gold Queen') begin cup-shaped and open flat. They are so eye-catching in the gardens that customers have long asked us for this plant. We are relieved to finally be able to have it for sale. The deeply dissected, glossy basal foliage is also appealing. Reminiscent of a huge buttercup (a relative) without the running habit.  Early to midsummer. bloom   24 in. x 18 in.

389-006     Trollius europaeus 'Superbus'       
Sun, Part Shade     Zones 5, 6, 7, 8 Sulfur Yellow flowers
Trollius europaeus 'Superbus' is named for its striking 4-inch flowers of sulfur yellow on 2-foot stems. This clump forming perennial charms everyone when it blooms.  Late summer. bloom   24 in. x 18 in.


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