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Hyssop

Dark purple-black buds open to violet-blue flowers Upright, clump forming habit Licorice-scented foliage Bloom Time: July to September

$15.95

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Hyssop

Agastache x 'Blue Boa'

Deep violet-blue spikes over green foliage Flowers are long, wide, and extremely showy Drought tolerant when established Attracts butterflies and hummingbirds Bloom Time: Midsummer to early fall

$15.95

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Ice Dance Sedge

Carex morrowii 'Ice Dance'

Small semi-evergreen dense clump-forming sedge with a mounding cascading habit Leaves are green with a margin of creamy-white Small brownish flowers Bloom Time: Late spring Grass Type: Cool Season

$18.95

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Iceland Poppy

Papaver miyabeanum 'Pacino'

Upward-facing lemon-yellow cupped flowers Attractive seed pods are left after the flowers fade Finely cut bluish-green foliage Compact mounding habit Bloom Time: Midsummer to late fall Flower Height: 30 cm Foliage Height: 15 cm

$12.95

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Icy Blue Canada Wild Rye

Elymus canadensis 'Icy Blue'

Grass has a slightly arching upright habit and forms a loose clump Leaf blades bright blue Nodding seed heads emerge green, changing to a light tan in the summer Foliage and flowers dry and persist through the fall and winter Grass Type: Cool Season

$18.95

Imperial® Honeylocust

Gleditsia triacanthos var. inermis Imperial® ('Impcole')

Densely branched, with a rounded form Compound leaves with oval to elliptical leaflets Late spring foliage emerges bright green, becoming yellow in the fall A thornless, nearly seedless variety

From $191.95

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Incrediball® Blush Hydrangea

Hydrangea arborescens Incrediball® Blush ('NCHA4')

Proven Winners® ColorChoice® Massive soft pink blooms will turn an attractive green colour Even when weighted by rain, flower heads remain erect Bloom Time: Summer

$38.95

Incrediball® Hydrangea

Hydrangea arborescens Incrediball® ('Abetwo')

Proven Winners® ColorChoice® Massive white blooms emerge lime-green, changing to white and aging to green Flowers on both new and old wood An improved 'Annabelle' with strong stems Even when moistened by rain, flower heads remain erect Bloom Time: Midsummer to frost

From $35.95

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Indian Grass

Sorghastrum nutans

AKA Sorghastrum avenaceum, Chrysopogon nutans Reddish-bronze downy flower spikes rising well above the foliage appear in July The grass blades are green turning bronze to burnt orange in the fall Bloom Time: July Flower Height: 220 cm Foliage Height: 120 cm Grass Type: Warm Season

$18.95

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Indian Pink

Spigelia marilandica 'Little Redhead'

Upright clump-forming perennial Upward-facing scarlet tubular flowers with a yellow throat Throats are flared open to form a five-pointed star-shaped tip Glossy lance-shaped pointed leaves, 10 cm long, along a wiry stem Superior selection of the species, propagated to ensure uniformity Bloom Time: Mid June to July

$29.95

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Indian Pink

Spigelia marilandica 'Ragin Cajun'

Upright clump-forming perennial Upward-facing orange-red tubular flowers with yellow throats Throats are flared open to form a five-pointed star-shaped tip Glossy lance-shaped pointed leaves, 10 cm long, along a wiry stem

$29.95

Indian Steel Grass

Sorghastrum nutans 'Indian Steel'

AKA Sorghastrum avenaceum 'Indian Steel' Flower stalks rise above the foliage forming a tight upright clump Medium-width grass blades are blue-green, turning bronze in the fall Reddish-bronze downy flower spikes appear in August Bloom Time: August Flower Height: 150 cm Foliage Height: 120 cm Grass Type: Warm Season

$18.95

Innocence Mockorange

Philadelphus x 'Innocence'

Single very fragrant creamy-white flowers Green leaves are sometimes splashed with creamy-white Seed capsules persist into the winter Bushy plant with arching branches and mostly vertical twigs Bloom Time: early summer

$25.95

Innocencia™ Rose

Rosa Vigorosa® Innocencia™ ('KORstarnow')

AKA Rosa 'County of Yorkshire', Rosa 'Innocencia'™ Clusters of near-white or a white blend, lightly fragrant bloom Compact and bushy Dark green foliage Disease resistant Bloom Time: Late spring until frost Type: Shrub

$42.95

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Intermediate Bearded Iris

Iris germanica 'Immortality'

Ruffled pure white flowers with a creamy-yellow beard Multiple flowers on a single strong stalk Thick light green sword-like leaf-blades Rebloomer with a strong sweet fragrance Bloom Time: May to June Flower Height: 75 cm

$23.95

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Intersectional Peony

Paeonia itoh 'All That Jazz'

Semi-double to double flowers of pale apricot with scarlet splashes Pointed dark green deeply cut foliage Shrub-like habit Fragrant Bloom Time: May to June Bloom Size: 20 cm

$118.95

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Intersectional Peony

Paeonia itoh 'Bartzella'

Full semi-double lemon-yellow flowers with a touch of red in the centre Pointed dark green deeply cut foliage Shrub-like habit Lemon fragrance Bloom Time: Late spring Flower Size: 15-20 cm

$118.95

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Intersectional Peony

Paeonia itoh 'Canary Brilliants'

Full semi-double creamy-yellow with apricot hues Pointed dark green deeply cut foliage Shrub-like habit Lemon fragrance Bloom Time: Late spring Flower Size: 15-20 cm

$118.95

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Intersectional Peony

Paeonia itoh 'Cora Louise'

Full semi-double white flowers with a deep lavender centre Can produce up to 50 flowers per plant Deeply cut pointed dark green leaves Shrub-like habit, but herbaceous Lemon fragrance Bloom Time: June to July Flower Size: 15-20cm

$118.95

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Intersectional Peony

Paeonia itoh 'Julia Rose'

Full semi-double coral-red flowers with yellow stamens Flowers fade to salmon-orange with lighter undertones Pointed dark green deeply cut foliage Shrub-like habit Bloom Time: Late spring Flower Size: 12-15 cm

$118.95

Intersectional Peony

Paeonia itoh 'Lollipop'

Semi-double yellow flowers with deep purple streaks Streaking becomes more prominent as the flower matures Pointed dark green deeply cut foliage Shrub-like habit Fragrant Bloom Time: Late spring Flower Size: 20 cm

$131.95

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Intersectional Peony

Paeonia itoh 'Morning Lilac'

Single to semi-double fuchsia-pink blooms with a darker centre Blooms may have faint white streaking through the petals and yellow stamens Pointed dark green deeply-cut foliage Shrub-like habit Fragrant and very floriferous Bloom Time: May to June Flower Size: 20 cm

$118.95

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Intersectional Peony

Paeonia itoh 'Scarlet Heaven'

Large single scarlet-red flowers have contrasting golden-yellow anthers Pointed dark green deeply cut foliage Shrub-like habit Lightly fragrant Bloom Time: May to June Flower Size: 20 cm

$131.95

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Intersectional Peony

Paeonia itoh 'Singing in the Rain'

Semi-double apricot blooms fading to yellow with age Pointed dark green deeply cut foliage Shrub-like habit Fragrant Bloom Time: May to June Bloom Size: 20 cm

$118.95

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Intersectional Peony

Paeonia itoh 'Yellow Crown'

Fully double blooms of fragrant bright yellow blooms Pointed dark green deeply cut foliage Shrub-like habit Bloom Time: Late spring to early summer

$118.95

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Invincibelle Limetta® Hydrangea

Hydrangea arborescens Invincibelle Limetta® ('NCHA8')

Proven Winners® ColorChoice® A dwarf 'Annabelle' type Rounded, tidy habit and compact frame Spheres of lime-green flowers lighten to near-white and age to jade-green Bloom Time: June until frost

$40.95

Invincibelle Mini Mauvette® Hydrangea

Hydrangea arborescens Invincibelle Mini Mauvette® ('NCHA7')

Proven Winners® ColorChoice® Deep mauve-pink mophead blooms are held upright on strong, sturdy stems A rebloomer with a dwarf habit Will produce blooms every year Bloom Time: June until frost

$40.95

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Invincibelle Sublime® Hydrangea

Hydrangea arborescens Invincibelle Sublime® ('SMNHRL')

$44.95

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Invincibelle Wee White® Hydrangea

Hydrangea arborescens Invincibelle Wee White® ('NCHA5')

Proven Winners® ColorChoice® A dwarf 'Annabelle' type Rounded tidy habit and compact frame Pure white mophead flowers age to green and pink Bloom Time: June until frost

$43.95

Invincibelle® Ruby Hydrangea

Hydrangea arborescens Invincibelle® Ruby ('NCHA3')

Proven Winners® ColorChoice® Burgundy-red buds open to a two-toned combination of bright red and silvery-pink Dark green leaves are almost round Strong rebloomer Even when weighted by rain, flower heads remain erect Bloom Time: June until frost

$40.95

Invincibelle® Spirit II Hydrangea

Hydrangea arborescens Invincibelle® Spirit II ('NCHA2')

Proven Winners® ColorChoice® Large mophead blooms are a rich pink colour Darker foliage and stiffer stems than other cultivars Even when weighted by rain, flower heads remain erect Strong rebloomer Bloom Time: Midsummer to frost

$40.95

Irish Moss

Sagina subulata

AKA Arenaria verna Mat-forming evergreen perennial Rooting stems form cushions of linear green leaves Tiny five-petaled white flowers Effective for crevices or borders along walkways Bloom Time: Summer Flower Size: 2 mm

From $4.95

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Ironwood

Ostrya virginiana

Upright, rounded to oval crown Reddish-brown male flowers and greenish female flowers precede the leaves Dark green birch-like leaves increase in size toward the end of a twig Fall foliage is pale yellow, with an early leaf drop, while a few leaves stay on Hop-like seeds sometimes persist through the winter Bloom Time: April

From $15.95

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Isabella Lilac

Syringa x prestoniae 'Isabella'

Single pink-lavender flowers Dark green textured leaves turn burgundy or bronze in the fall Upright oval habit Bloom Time: Late spring

From $36.95

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Iseli Columnar Blue Spruce

Picea pungens 'Iseli Fastigiate'

Very narrow dense conical conifer Needles on nearly vertical branches are blue all year Lends itself as a specimen in a confined area

From $272.95

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Iseli Green Hinoki Falsecypress

Chamaecyparis obtusa 'Iseli Green'

Distinctive specimen Graceful irregular branching holds gently cupped sprays Leaves are dark green and scale-like Attractive reddish-brown bark

$243.95

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Italian Oregano

Origanum x marjoricum

Italian oregano is a versatile and flavourful herb that can add depth and complexity to dishes. Great for seasoning pizzas, pastas, and sauces. Hardy herb used for culinary purposes Rhizomatous, woody perennial Spreading stems bear rounded to ovate foliage Very fragrant, dark green leaves Clip fresh as needed, or can be dried for year-round use White to pink flowers Bloom Time: Summer Full sun to partial shade Space 12" apart Light compost recommended Container Friendly

$4.95

Italian Parsley

Petroselinum var. neapolitanum

Italian Parsley, also known as flat-leaf parsley, is a vibrant and versatile herb with bright green, flat leaves and a fresh, slightly peppery flavour. Milder and more flavourful than curly parsley, it’s perfect for enhancing soups, salads, sauces, and pasta dishes. Culinary herb that is is grown for its fragrant edible leaves Clump forming biennial, typically grown as an annual Harvest fresh or dry for later use Dark green dissected leaves are triangular-shaped Greenish-yellow flowers form on second-year plants Stronger-flavoured than Petroselinum crispum Bloom Time: Seasonal Full sun to partial shade Space 8-12" apart Light compost recommended Container Friendly

$4.95

Ivory Feathers® Grass

Cortaderia selloana Ivory Feathers® ('Pumila')

Panicles up to 60 cm of feathery creamy-white flowers produce tan-coloured seeds Coarse green leaves up to 70 cm long arch from tall sturdy stalks, turning white in the winter Dark green leaves have razor-sharp edges Seed heads decorative in cut or dried arrangements Bloom Time: Late summer to early fall Grass Type: Warm Season

$18.95

Ivory Halo® Dogwood

Cornus alba Ivory Halo® ('Bailho')

AKA Swida alba 'Ivory Halo' Tiny yellowish-white flowers in flat-topped clusters Clusters of blue-white drupes in the summer Variegated leaves with green centres and whitish margins held on red stems A compact form with delicately textured foliage Red twigs add winter interest Bloom Time: Late spring

$25.95

Ivory Prince Lenten Rose

Helleborus x Ivory Prince ('Walhelivor')

Deep pink buds open to creamy-white flowers Ivory flowers develop pink, green and rose hues that deepen with age Outward-facing long-lasting blooms on burgundy stems Attractive compact blue-green leaves Thick evergreen leaves Bloom Time: Spring Flower Height: 45 cm Foliage Height: 40 cm Flower Size: 6.5 cm

$30.95

Ivory Silk Tree Lilac

Syringa reticulata 'Ivory Silk'

Upright, pyramidal to oval habit Large clusters of creamy-white flowers Elliptic to pointed-oval dark green leaves turn yellow in the fall Use as a specimen or in small group plantings Bloom Time: Mid-spring

From $77.95

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Jack-in-the-Pulpit

Arisaema triphyllum

AKA Arisaema atrorubens Unique upright club-shaped spadix with hoods of green and maroon Attractive maroon stems Berries form in autumn on mature plants Juvenile plants will go dormant in the summer Ontario native woodland flower Bloom Time: Spring

From $10.95

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Jacob Cline Beebalm

Monarda didyma 'Jacob Cline'

Sturdy upright, clumping habit In summer large clusters of red tubular flowers appear Green fragrant foliage on strong square stems

$15.95

Jacob's Ladder

Polemonium reptans 'Stairway to Heaven'

Clump forming, mounding habit Grown for its variegated foliage Pinnate leaves (25 cm) are composed of many oblong leaflets, 4 cm long Foliage emerges green with creamy margins, flushed with pink As the season warms, the pink fades and returns again in the fall Clusters of fragrant light blue flowers Bloom Time: Late spring to early summer

$19.95

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Jacob's Ladder

Polemonium reptans 'Touch of Class'

Clump forming, mounding habit Grown for its variegated foliage Pinnate leaves (25cm) are composed of many oblong leaflets, 4 cm long Foliage emerges green with a thin white margin and pinkish hue Pink buds open to pale blue flowers Bloom Time: Late spring to early summer

$19.95

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Jacquemontii Birch

Betula utilis var. jacquemontii

Upright, open, pyramidal, branching habit Gleaming white, smooth bark Ovate, serrated, green foliage, turns golden in the fall An excellent tree with a brilliant white, bark colour Male catkins on ends of branches Bloom Time: Spring

From $142.95

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Jade Carousel® Barberry

Berberis thunbergii Jade Carousel® ('Bailgreen')

Clusters of yellow flowers hang below branches Red berries persist into the winter Small oval leaves emerge lime-green turning to emerald-green, to scarlet-orange in the fall Stems have sharp thorns Highly tolerant of urban pollution and salt Bloom Time: Mid-spring

$38.95

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