Thalictrum x 'Black Stockings'
MEADOW RUE
- Clusters of lavender-purple flowers on tall jet-black stems
- Stems are darkest when grown in full sun
- Lacy columbine-like mid-green foliage
HEIGHT: 120-150 cm · SPREAD: 50-60 cm
Thymus praecox 'Coccineus'
RED CREEPING THYME
- AKA Thymus serphyllum 'Coccineus', Thymus praecox ssp. articus 'Coccineus'
- Fast-spreading aromatic evergreen ground cover
- Tiny magenta-red flowers mass over dark green foliage
HEIGHT: 2-5 cm · SPREAD: 30-40 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 pseudolanuginosus
WOOLLY THYME
- Low creeping evergray ground cover
- Forms a dense mat of gray-green foliage
- Strong grower that trails over rock walls or pavers
HEIGHT: 2-5 cm · SPREAD: 40-50 cm
Thymus serpyllum
MOTHER-OF-THYME
- Taller than some other cultivars
- Fast-spreading aromatic evergreen ground cover
- Tiny purple to deep pink flowers mass over dark green foliage
HEIGHT: 15-25 cm · SPREAD: 40-50 cm
Thymus serpyllum 'Alba'
WHITE CREEPING THYME
- AKA Thymus praecox 'Albus'
- Fast-spreading aromatic evergreen ground cover
- Tiny white flowers mass over dark green foliage
HEIGHT: 5-7 cm · SPREAD: 30-40 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 wherryi
WHERRY'S FOAM FLOWER
- AKA Tiarella cordifolia var. collina
- Compact clump-forming perennial with a non-trailing form
- Slower growing cultivar producing hairy sharply lobed leaves
HEIGHT: 15-20 cm · SPREAD: 20-25 cm
Tiarella x 'Candy Striper' (PP15528)
FOAM FLOWER
- Compact clump forming perennial with a non-trailing form
- Slower growing than the species producing hairy sharply lobed green leaves with maroon-red stripes
- Pink buds open to tiny star-shaped fragrant white flowers forming spike-like racemes
HEIGHT: 20-25 cm · SPREAD: 35-40 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
Tiarella x 'Iron Butterfly' (PP12396, COPF)
FOAM FLOWER
- Compact clump forming perennial with a non-trailing form
- Deeply lobed leaves are dark green with black central blotches and veining
- Pink buds open to tiny star-shaped soft pink flowers on spike-like racemes
HEIGHT: 20-30 cm · SPREAD: 30-35 cm
Tiarella x 'Mystic Mist' (PP21282, PVR)
FOAM FLOWER
- Compact clump forming perennial with a non-trailing form
- Slower growing than others producing hairy sharply-lobed leaves
- White-speckled green leaves have a distinct red veining
HEIGHT: 10-15 cm · SPREAD: 25-30 cm
Tiarella x 'Neon Lights' (PP13289)
FOAM FLOWER
- Compact clump forming perennial with a non-trailing form
- Huge palmate leaves are dark green with black central blotches and veining
- Pink buds open to tiny soft pink star-shaped flowers forming spike-like racemes
HEIGHT: 20-25 cm · SPREAD: 50-55 cm
Tiarella x 'Pink Skyrocket' (PP13382, COPF)
FOAM FLOWER
- Clump forming mounding habit with a non-trailing form
- Deeply cut green foliage with red veining
- Pink buds open to tiny pale pink star-shaped flowers forming spike-like racemes
HEIGHT: 12-15 cm · SPREAD: 30-35 cm
Tiarella x 'Pirate's Patch' (PP14907, COPF)
FOAM FLOWER
- Compact clump forming perennial with a non-trailing form
- Maple-like leaves are dark green with maroon central blotches and veining
- Pink buds open to tiny white star-shaped flowers forming spike-like racemes
HEIGHT: 10-15 cm · SPREAD: 40-45 cm
Tiarella x 'Spring Symphony' (PP12397, COPF)
FOAM FLOWER
- Compact clump forming habit with a non-trailing form
- Deeply cut green foliage with a black colour along the midrib
- Spiked pink buds open to tiny star-shaped pale pink flowers
HEIGHT: 15-17 cm · SPREAD: 25-30 cm
Tiarella x 'Sugar and Spice' (PP16738, COPF)
FOAM FLOWER
- Compact clump forming perennial with a non-trailing form
- Sharply lobed leaves are dark green with maroon central blotches and veining
- Pink buds open to tiny star-shaped pink and white flowers forming spike-like racemes
HEIGHT: 20-25 cm · SPREAD: 30-40 cm
Tradescantia ohiensis
OHIO SPIDERWORT
- Upright tufted clump-forming perennial
- Numerous buds form in a terminal cluster
- Three petals form a triangular-shaped flower with hairy stamens
HEIGHT: 75-90 cm · SPREAD: 50-60 cm
Tradescantia x 'Bilberry Ice'
SPIDERWORT
- Cultivar from the x andersoniana group
- Compact upright tufted clump-forming perennial
- Three-petalled, it forms a triangular-shaped flower with hairy stamens
HEIGHT: 30-35 cm · SPREAD: 40-50 cm
Tradescantia x 'Concord Grape'
SPIDERWORT
- Cultivar from the x andersoniana group
- Upright tufted clump-forming perennial
- Numerous flower buds form in a terminal cluster
HEIGHT: 45-50 cm · SPREAD: 40-50 cm
Tradescantia x 'Innocence'
SPIDERWORT
- Cultivar from the x andersoniana group
- Upright tufted clump-forming perennial
- Numerous buds form a terminal cluster
HEIGHT: 50-60 cm · SPREAD: 40-50 cm
Tradescantia x 'Pink Chablis' (PP15971, COPF)
SPIDERWORT
- Upright tufted clump-forming perennial
- Three-petals form a triangular-shaped flower with hairy stamens
- Pink blooms are softened with white margins and deep pink stamens
HEIGHT: 40-45 cm · SPREAD: 45-50 cm
Tradescantia x 'Sweet Kate'
SPIDERWORT
- AKA Tradescantia x 'Blue and Gold'
- Cultivar from the x andersoniana group
- Compact upright tufted clump-forming perennial
HEIGHT: 50-60 cm · SPREAD: 40-50 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
Tricyrtis hirta 'Lightning Strike'
JAPANESE TOAD LILY
- Rhizomatous clump-forming perennial with arching stems
- Deep green leaves with irregular yellow streaks
- Pale lavender to white star-shaped flowers are heavily freckled with burgundy spots
HEIGHT: 50-60 cm · SPREAD: 40-50 cm
Tricyrtis hirta 'Miyazaki'
JAPANESE TOAD LILY
- Clump-forming perennial, spreading by stolons
- Erect, somewhat zig-zagging stems
- Glossy green leaves show a thin yellow margin
HEIGHT: 50-60 cm · SPREAD: 40-50 cm
Tricyrtis x 'Blue Wonder'
TOAD LILY
- Compact mound of dark green leaves
- White starfish-like blooms sport heavy blue-purple spotting or blotching
- Bloom Time: August to October
HEIGHT: 45-60 cm · SPREAD: 45-60 cm
Tricyrtis x 'Sinonome'
TOAD LILY
- Vase-shaped clump forming perennial, spreading by stolons
- Erect, somewhat zig-zagging stems
- Ovate medium-green leaves
HEIGHT: 50-60 cm · SPREAD: 40-50 cm
Trollius chinensis 'Golden Queen'
GLOBEFLOWER
- Semi-double golden-yellow bowl-shaped blooms
- Flowers have a contrasting deep orange centre
- Dark green foliage
HEIGHT: 60-80 cm · SPREAD: 50-60 cm
Trollius chinensis 'Lemon Queen'
GLOBEFLOWER
- Semi-double yellow bowl-shaped blooms
- Flowers have a contrasting deep orange centre
- Dark green foliage
HEIGHT: 60-80 cm · SPREAD: 50-60 cm
Trollius cultorum 'New Moon'
GLOBEFLOWER
- Clump-forming perennial
- Ball-shaped buds open to sulphur-yellow flowers
- Flowers appear on sturdy upright stems
HEIGHT: 40-45 cm · SPREAD: 35-40 cm
Tsuga canadensis 'Pendula'
SARGENT'S WEEPING HEMLOCK
- Upright to mounding plant with weeping branches
- Short dark green needles have two white bands underneath
- Thimble-like light brown cones may appear on older plants
HEIGHT: 150-175 cm · SPREAD: 200-250 cm
Veronica gentianoides
GENTIAN SPEEDWELL
- Low-growing compact perennial
- Light blue flower spikes
- Lance-shaped thick dark green basal leaves
HEIGHT: 20-25 cm · SPREAD: 30-50 cm
Veronica liwanensis
TURKISH SPEEDWELL
- Slow-spreading low-growing species
- Forms a mat of foliage 2-3 cm tall
- Small clusters of blue flowers with a white eye
HEIGHT: 2-3 cm · SPREAD: 50-60 cm
Veronica longifolia 'Eveline' (PP14888, CPBR2404)
SPEEDWELL
- Upright clump forming perennial
- Tapered spikes of violet to purple flowers
- Mid-green lance-shaped leaves
HEIGHT: 50-60 cm · SPREAD: 40-50 cm
Veronica peduncularis 'Georgia Blue'
RUSSIAN SPEEDWELL
- Semi-prostrate spreading perennial
- Produces an abundant of tiny saucer-shaped flowers
- Deep blue flowers with a white eye
HEIGHT: 10-15 cm · SPREAD: 45-60 cm
Veronica prostrata Aztec Gold ('Buttercup') (PP13354, COPF)
AZTEC GOLD SPEEDWELL
- Low-growing mounding selection
- Brilliant golden-yellow leaves
- Bright blue flowers
HEIGHT: 10-15 cm · SPREAD: 20-25 cm
Veronica spicata 'Giles van Hees'
SPEEDWELL
- Compact mounding habit
- Bright reddish-pink flower spikes
- Lance-shaped medium green foliage
HEIGHT: 15-17 cm · SPREAD: 25-30 cm
Veronica spicata Royal Candles ('Glory') (PP18932, COPF, CPBRAF)
ROYAL CANDLES SPEEDWELL
- Compact mounding selection
- Short spikes of violet-blue flowers
- Narrow lance-shaped dark green leaves
HEIGHT: 20-30 cm · SPREAD: 30-40 cm
Veronica spicata 'Icicle'
SPIKE SPEEDWELL
- Bushy upright clump-forming selection
- Upright spikes of white flowers
- Narrow dark green leaves
HEIGHT: 40-45 cm · SPREAD: 30-45 cm
Veronica spicata Red Fox ('Rotfuchs')
RED FOX SPEEDWELL
- Compact bushy clump-forming selection
- Upright spikes of deep pink to red flowers
- Narrow dark green foliage
HEIGHT: 30-35 cm · SPREAD: 30-45 cm
Veronica spicata Younique Baby Red ('Versbabyred')
BABY RED SPEEDWELL
- Compact upright clump-forming selection
- Upright spikes of red flowers
- Narrow dark green leaves
HEIGHT: 25-30 cm · SPREAD: 25-30 cm
Veronica spicata Younique Baby White ('Versbabywhite')
BABY WHITE SPEEDWELL
- Compact upright clump-forming selection
- Upright spikes of white flowers
- Narrow dark green leaves
HEIGHT: 25-30 cm · SPREAD: 25-30 cm
Veronica whitleyi
WHITLEY'S SPEEDWELL
- Mat forming evergreen perennial
- Deep blue flowers with a white eye
- Flowers will form just above the foliage
HEIGHT: 5-10 cm · SPREAD: 30-45 cm
Veronica x 'Bicolor Explosion' (PP25924)
SPEEDWELL
- Compact mounding selection
- Short spikes of two-toned violet flowers
- Narrow dark green leaves
HEIGHT: 30-15 cm · SPREAD: 30-40 cm
Veronica x 'Blue Bomb' (PP22509)
SPEEDWELL
- Amethyst-blue astilbe-like blooms
- Forms numerous tightly bunched spikes
- Flowers open from the bottom to top of the spikes
HEIGHT: 50-60 cm · SPREAD: 30-40 cm
Veronica x 'Magic Show® Enchanted Indigo' (PP26603, CPBR5336)
SPIKE SPEEDWELL
- Proven Winners®
- Compact habit
- Royal-purple flower spikes make up more than half the total plant height
HEIGHT: 40-50 cm · SPREAD: 40-50 cm
Veronica x 'Pink Potion' (PP29681, CPBR5821)
SPIKE SPEEDWELL
- Proven Winners®
- Deep-green foliage forms a low rounded habit
- Baby-pink flower spikes
HEIGHT: 30-40 cm · SPREAD: 40-50 cm
Veronica x 'Sunny Border Blue'
SPIKE SPEEDWELL
- Clump-forming perennial
- Bears erect spikes of sturdy dark violet-blue flowers
- Lance-shaped dark green crinkled leaves
HEIGHT: 45-50 cm · SPREAD: 35-40 cm
Veronica x 'White Wands' (PP27632, CPBRAF)
SPIKE SPEEDWELL
- Proven Winners®
- Dwarf, compact habit
- White flower spikes
HEIGHT: 40-50 cm · SPREAD: 40-50 cm
Veronica x 'Wizard of Ahhs' (PP31044, CPBRAF)
SPIKE SPEEDWELL
- Proven Winners®
- Dwarf, compact habit
- Violet-blue flower spikes
HEIGHT: 30-40 cm · SPREAD: 40-50 cm
Veronicastrum virginicum
CULVER'S ROOT
- AKA Leptandra virginica, Veronica virginica
- Large upright perennial
- Tubular white or pink flowers form dense spikes atop the stems
HEIGHT: 125-175 cm · SPREAD: 60-80 cm
Weigela florida Czechmark Trilogy® ('VUKOZGemini') (PP28969, CPBRAF)
CZECHMARK TRILOGY® WEIGELA
- Proven Winners® ColorChoice®
- Blooms start out white and transition to pink then to red
- All three colours will appear at once on the same plant
HEIGHT: 125-150 cm · SPREAD: 100-125 cm
Wisteria brachybotrys 'Shiro Kapitan'
WHITE SILKY WISTERIA
- Large cascading clusters of double white sweet pea-like flowers
- Fragrant flowers are sweeter smelling than floribunda or sinensis cultivars
- Hairy green pinnate leaves have 9-13 leaflets per leaf
HEIGHT: 8-10 m