Thalictrum kiusianum
DWARF MEADOW RUE
- Mat-forming rhizomatous perennial
- Blue-green fern-like foliage
- Cloud-like sprays of pale lavender flowers
HEIGHT: 10-15 cm · SPREAD: 25-30 cm
Thelypteris palustris
MARSH FERN
- AKA Dryopteris thelypteris, Thelypteris thelypteroides
- Single pale green pinnate feathery fronds
- Non-clumping form; it spreads by long creeping rhizomes
HEIGHT: 45-70 cm · SPREAD: 100-200 cm
Thymus praecox 'Elfin'
THYME
- AKA Thymus serpyllum 'Elfin'
- Slow mat-forming evergreen cultivar for small spaces
- Plant between paving stones or in crevices
HEIGHT: 2-5 cm · SPREAD: 15-20 cm
Thymus x citriodorus
LEMON THYME
- Mounding ground cover for a sunny border or rock garden
- Whorls of tiny lavender flowers appear on the stem ends
- Lemon-scented hairless green leaves (1 cm long)
HEIGHT: 25-30 cm · SPREAD: 25-30 cm
Thymus x citriodorus 'Argenteus'
SILVER EDGE THYME
- Mounding ground cover for a sunny border or rock garden
- Whorls of tiny lavender flowers appear on the stem ends
- Lemon-scented green leaves have white margins
HEIGHT: 20-25 cm · SPREAD: 30-40 cm
Thymus x citriodorus 'Aureus'
VARIEGATED LEMON THYME
- Mounding ground cover for a sunny border or rock garden
- Whorls of tiny lavender flowers appear on the stem ends
- Lemon-scented green leaves with dappled yellow margins
HEIGHT: 20-25 cm · SPREAD: 25-30 cm
Tiarella cordifolia
FOAM FLOWER
- Rhizomatous perennial vigorously spreads by trailing stolons
- Heart-shaped to maple-shaped leaves with 3-5 lobes, 10 cm across
- Leaves may develop reddish variegation along the veins
HEIGHT: 10-15 cm · SPREAD: 40-50 cm
Tiarella cordifolia 'Running Tapestry'
FOAM FLOWER
- Rhizomatous perennial spreads vigorously by trailing stolons
- Heart-shaped leaves with 3-5 lobes, 10 cm across, with darker variegation along veins
- Pink buds open to tiny star-shaped white flowers in spike-like racemes
HEIGHT: 10-15 cm · SPREAD: 30-40 cm
Tiarella x 'Happy Trails' (PP21933, COPF)
FOAM FLOWER
- Rhizomatous perennial vigorously spreads by trailing stolons
- Heart-shaped leaves with lobed margins
- Leaves develop distinct black markings along the veins
HEIGHT: 10-15 cm · SPREAD: 50-60 cm
Tricyrtis formosana 'Autumn Glow'
TOAD LILY
- Rhizomatous perennial, spreading by stolons
- Erect, somewhat zig-zagging stems
- Glossy leaves are variegated dark green with wide yellow margins
HEIGHT: 60-80 cm · SPREAD: 60-80 cm
Tricyrtis formosana 'Gilt Edge'
TOAD LILY
- Rhizomatous perennial, spreading by stolons
- Erect, somewhat zig-zagging stems
- Glossy leaves are variegated dark green with irregular yellow margins
HEIGHT: 50-60 cm · SPREAD: 40-50 cm
Tricyrtis formosana 'Guilty Pleasure' (PP13688, COPF)
TOAD LILY
- Rhizomatous perennial, spreading by stolons
- Erect, somewhat zig-zagging stems with golden leaves
- Star-shaped pink flowers are heavily freckled with darker pink spots
HEIGHT: 55-60 cm · SPREAD: 40-50 cm
Trillium grandiflorum
WHITE TRILLIUM
- Native to woodlands throughout North America
- Showiest of all the native trillium
- Outward-facing white three-petaled flowers
HEIGHT: 20-30 cm · SPREAD: 20-30 cm
Tsuga canadensis 'Cole's Prostrata'
COLE'S PROSTRATE CANADIAN HEMLOCK
- Slow-growing prostrate habit
- Dark green foliage contrasts with older exposed silver-white bark
- Makes an interesting small specimen or ground cover
HEIGHT: 25-30 cm · SPREAD: 125-150 cm
Typha angustifolia
NARROWLEAF CATTAIL
- Clumping spreading stands of narrow sword-like leaves
- Central flower stalks are equal to the height of the leaves
- Male and female flowers are held separately
HEIGHT: 175-200 cm · SPREAD: 200-500 cm
Typha laxmannii
DWARF CATTAIL / GRACEFUL CATTAIL
- Clumping, spreading stands of narrow sword-like leaves
- Central flower stalks equal to the height of the leaves
- Male and female flowers are held separately
HEIGHT: 100-150 cm · SPREAD: 200-500 cm
Ulmus x 'Pioneer'
PIONEER ELM
- Upright rounded to spreading crown
- Non-showy spring flowers become single oval to rounded winged seeds
- Oval to elliptical rough-textured glossy green leaves in the summer
HEIGHT: 15-18 m · SPREAD: 15-18 m
Veronica x 'Tidal Pool' (PP23341)
PROSTRATE SPEEDWELL
- Mat forming evergreen perennial
- Deep blue flowers with a white eye
- Flowers will form just above the foliage
HEIGHT: 5-10 cm · SPREAD: 45-55 cm
Viburnum 'Eskimo'
ESKIMO SNOWBALL
- Light pink buds opening to white in spring
- Flowers give way to clusters of red berries turning to blue
- Semi-evergreen glossy dark green leaves turn yellow, orange, and red in fall
HEIGHT: 125-150 cm · SPREAD: 125-150 cm
Viburnum opulus 'Compactum'
DWARF EUROPEAN CRANBERRY
- Flat-topped clusters of creamy-white flowers
- Red berries persist into the winter
- Textured green leaves turn reddish-purple in the fall
HEIGHT: 80-100 cm · SPREAD: 80-100 cm
Viburnum opulus 'Sterile'
EUROPEAN SNOWBALL
- AKA Viburnum opulus 'Roseum'
- Globose clusters of creamy-white flowers
- Sterile, producing no fruit
HEIGHT: 200-250 cm · SPREAD: 250-300 cm
Viburnum plicatum f. tomentosum 'Shasta'
SHASTA DOUBLEFILE VIBURNUM
- Flat-topped clusters of long-lasting white flowers appear along the branches
- Fertile florets in the centre with a sterile outer ring
- Red fruit turns black and is attractive to birds
HEIGHT: 150-175 cm · SPREAD: 250-300 cm
Viburnum plicatum tomentosum
DOUBLEFILE VIBURNUM
- Flat-topped clusters of long-lasting white flowers
- Fertile florets in the centre with a sterile outer ring
- Red fruit turns black and is attractive to birds
HEIGHT: 250-300 cm · SPREAD: 300-350 cm
Viola cornuta 'Blue Perfection'
HORNED VIOLET
- Spreading, rhizomatous perennial
- Slightly fragrant five-petaled violet-blue bloom
- Green heart-shaped leaves have scalloped edges
HEIGHT: 15-20 cm · SPREAD: 20-25 cm
Viola cornuta 'Scottish Yellow'
HORNED VIOLET
- Spreading rhizomatous perennial
- Slightly fragrant five-petaled yellow flowers
- Green heart-shaped leaves have scalloped edges
HEIGHT: 15-20 cm · SPREAD: 20-25 cm
Viola cornuta 'White Perfection'
HORNED VIOLET
- Spreading, rhizomatous perennial
- Slightly fragrant five-petaled white flowers
- Green heart-shaped leaves have scalloped edges
HEIGHT: 15-20 cm · SPREAD: 20-25 cm
Viola riviniana 'Purpurea Group'
AMERICAN DOG VIOLET
- AKA Viola labradorica var. purpurea
- Low-growing woodland perennial
- Lavender-blue flowers
HEIGHT: 5-10 cm · SPREAD: 20-30 cm
Waldsteinia fragarioides
BARREN STRAWBERRY
- AKA Geum fragarioides
- Mat-forming rhizomatous perennial
- Dark green to bronze strawberry-like leaves
HEIGHT: 5-10 cm · SPREAD: 30-40 cm
Waldsteinia ternata
BARREN STRAWBERRY
- AKA Geum ternata
- Mat-forming rhizomatous perennial
- Dark green to bronze strawberry-like leaves
HEIGHT: 10-15 cm · SPREAD: 30-45 cm
Weigela florida Wine & Roses® ('Alexandra') (PP10772, COPF, CPBR2642)
WINE AND ROSES® WEIGELA
- Proven Winners® ColorChoice®
- Numerous funnel-shaped hot rose-pink flowers
- Glossy dark burgundy-purple leaves
HEIGHT: 125-150 cm · SPREAD: 125-150 cm
Weigela florida Black and White® ('Courtacad1') (CPBRAF)
BLACK AND WHITE® WEIGELA
- New foliage growth is green, becoming dark purple by the summer
- Pure white scented tubular flowers
- The blooms have an attractive tapered purple-red base
HEIGHT: 125-150 cm · SPREAD: 125-150 cm
Weigela florida 'Rumba' (COPF)
RUMBA WEIGELA
- Funnel-shaped red flowers
- Light green leaves are tipped with a tinge of purple
- Spreading, rounded habit
HEIGHT: 80-100 cm · SPREAD: 100-125 cm
Weigela florida 'Tango'
TANGO WEIGELA
- Funnel-shaped rosy-red flowers
- Greenish-purple leaves
- Compact rounded spreading habit
HEIGHT: 50-60 cm · SPREAD: 60-80 cm
Woodwardia virginica
VIRGINIA CHAIN FERN
- AKA Anchistea virginica
- Deeply cut leathery green fronds
- Thick black central stem
HEIGHT: 50-70 cm · SPREAD: 60-90 cm
Xanthorhiza simplissima
YELLOWROOT
- Inconspicuous bronze four-petaled flowers appear before the foliage
- Star-shaped light brown fruit attract ground birds
- Compound pinnate green leaves resemble celery leaves
HEIGHT: 80-100 cm · SPREAD: 50-60 cm
Zelkova serrata 'Green Vase' (PP5080)
GREEN VASE ZELKOVA
- Vase-shaped crown with upright spreading branches
- Oblong to elliptical medium green leaves in the summer
- Foliage is orange-bronze in the fall
HEIGHT: 18-24 m · SPREAD: 13-15 m
Zelkova serrata 'Village Green'
JAPANESE ZELKOVA
- Vase-shaped broadly spreading crown with ascending branches
- Oblong to elliptical dark green leaves in the summer turn a rusty-red colour in the fall
- Insignificant green flowers appear as the foliage emerges
HEIGHT: 12-18 m · SPREAD: 9-15 m