OSC Seeds seeds are recognized for their quality and diversity, offering a wide choice of vegetable, herb, flower and native plant seeds. Adapted to local conditions, they guarantee optimal germination and abundant harvests. Whether you are an amateur gardener or market gardener, OSC Seeds offers high-performance varieties adapted to northern climates, thus promoting natural and sustainable agriculture.
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Blazing Star (Liatris spicata)
$2.19
A Meadow Star for a Resplendent Garden Flaming Star Seeds (Liatris spicata) , offered by Semences OSC. Add a unique touch to your garden with this spectacular perennial. Native to...
Native Pollinator Blend
$2.99
Ontario Native Pollinator Seed Mix Brought to you by seed company OSC, this seed mix combines beauty with support for native pollinators. This blend of native wildflowers and grasses is...
Wildflower Mix 'OSC Mix'
$2.19
A Natural and Colorful Garden All Summer Long Wildflower mix 'OSC Mix' , offered by the OSC seed company. This unique mix brings together varieties of wildflowers carefully selected to...
Wildflower Mix Low-Growing
$2.19
Low Growing Wildflower Seed Mix A mix specially designed for spaces requiring low flowering plants not exceeding 50 cm in height. This harmonious mix combines hardy annuals and perennials for...
Deer-Resistant Wildflower Seed Mix
$2.99
Deer Resistant Wildflower Seed Mix A carefully selected mix of annuals (A), hardy biennials (B), and hardy perennials (P) designed to repel deer while beautifying your garden. Includes native and...
'Cottage Country' Native Wildflower Mix
$2.99
Natural Beauty Made Easy with 'Cottage Country' Native Wildflower Mix Native Wildflower Seeds (Cottage Country), offered by OSC Seeds Transform your outdoor space with this rustic mix of native wildflowers and...
Beneficial Insect Seed Mix
$2.99
Beneficial Insect Seed Mix A unique blend designed to attract beneficial insects to your garden, naturally reducing pests while supporting a balanced ecosystem. This mix includes annual (A) and perennial...
Wallflower 'Double Mix'
$2.19
Wallflower Mixed Doubles - Spring Fragrance and Colors Mixed double wallflower seeds (Cheiranthus allioni ), offered by the seed company OSC. These shrubby plants, about 16 inches in diameter, offer...
Viola 'Sorbet XP Select Spring'
$2.99
Vibrant Colors and Hybrid Vigor for Your Gardens Violet 'Sorbet XP Select Spring' ( Viola cornuta ), offered by Semences OSC. Bring a burst of spring colour to your flowerbeds...
Viola 'Sorbet XP Citrus Mixed'
$2.99
A Colorful Mix of Citrus Fruits for Your Gardens Violet 'Sorbet XP Citrus Mixed' ( Viola cornuta ), offered by Semences OSC. Bring vibrant hues of orange, deep yellow and...
White Spruce
$2.99
White Spruce: Resilient and Versatile White Spruce Seeds (Conifer) (Picea glauca), offered by OSC Seeds White spruce is a Canadian native conifer that thrives in a variety of soils and...
White Pine Tree Seed
$2.99
White Pine: Canada’s Iconic Evergreen White Pine Seeds (Pinus strobus), offered by OSC Seeds The white pine is an iconic Canadian conifer and Ontario's provincial tree. Known for its soft,...
Tree Seed 'Flowering Dogwood'
$2.99
Flowering Dogwood - Elegance and Preservation Flowering Dogwood (Cornus florida) seeds, offered by the seed company OSC. This small tree native to Canada, originally from southern Ontario, is a treasure...
Douglas Fir
$2.99
Imposing conifer the Douglas Fir - A giant of old-growth forests Douglas fir seeds (Pseudotsuga menziesii) , offered by the OSC seed company. This majestic species, native to the coastal...
Colorado Blue Spruce
$2.19
Colorado Blue Spruce Colorado Blue Spruce Seeds (Picea pungens glauca), offered by OSC Seeds. Bring a touch of elegance to your landscape with the Colorado Blue Spruce. This majestic tree,...
Sweet William 'Giant Single Mixed'
$2.19
Vibrant colors and early flowering to beautify your borders Sweet William 'Giant Single Mixed' (Dianthus barbatus) seeds, offered by Semences OSC. Bring vitality to your garden with Sweet William 'Giant...
Lamb’s Ear Stachy
$2.99
A Unique and Soft Texture for Your Gardens Stachys 'Lamb's Ear' (Stachys lantana), offered by Semences OSC. Known for its silvery, woolly, velvety foliage, Stachys 'Lamb's Ear' is an exceptional...
Catchfly
$2.19
A Vibrant Wild Flower for Your Garden Silene 'Wildflower Catchfly' ( Silene armeria ), offered by Semences OSC. Silene 'Wildflower Catchfly' is a hardy perennial with clusters of deep pink,...
Rudbeckia 'Goldsturm'
$2.99
A Golden Wave for Your Gardens Rudbeckia 'Goldsturm' (Rudbeckia fulgida), offered by Semences OSC. The golden yellow flowers of Rudbeckia 'Goldsturm' brighten up gardens from late summer to early autumn....
Rudbeckia 'Black-Eyed Susan' (Rudbeckia Hirta)
$2.19
A Brilliant Canadian Wildflower Rudbeckia 'Black-Eyed Susan' ( Rudbeckia hirta ), offered by Semences OSC. Add a vibrant splash of golden yellow to your garden with 'Black-Eyed Susan', a hardy...
Giant Mixed Poppy Seeds (Iceland Type)
$2.99
A Colorful and Long-Lasting Burst for Your Perennial Gardens Giant Poppy Mixed (Papaver nudicaule), Offered by OSC Seeds The Giant Mixed Poppy, Iceland type, is a spectacular perennial native to...
Evening primrose 'Ozark Sundrop' (Oenothera Missouriensis)
$2.99
A Touch of Sunshine for Your Rocky Gardens Missouri Evening Primrose (Oenothera missouriensis), Offered by OSC Seeds Missouri Evening Primrose is an ideal perennial for rock gardens or as a...
Evening primrose (evening primrose) 'Oenothera Lamarckiana'
$2.19
A Fragrant and Elegant Primrose for Your Gardens Evening primrose 'Oenothera Lamarckiana' (Oenothera lamarckiana), Offered by Semences OSC Add a touch of elegance and natural charm to your gardens with...
Common Milkweed
$2.19
Essential Pollinator Plant: Common Milkweed Common Milkweed (Asclepias syriaca), offered by OSC Seeds Common Milkweed is a vital native Canadian perennial that serves as the sole host plant for monarch...
Lychnis 'Maltese Cross'
$2.99
A Dazzling Addition to Your Garden Seeds of Lychnis 'Maltese Cross' (Lychnis chalcedony), offered by the seed company OSC. Bring a vibrant touch to your borders with these perennials with...
Lupine 'Russell’s Red hybrid'
$2.19
Perennial Lupine 'Red Russell Hybrid' – A Touch of Passion in Your Garden Seeds of red lupin 'Russell's hybrid' (Lupinus polyphyllus x hybrida) , offered by the seed company OSC....
Lupine 'Russell’s Hybrids Blue'
$2.19
Lupin Hybrid 'Russell's Blue' – Elegance and Resilience Russell's blue lupin seeds (Lupinus polyphyllus x hybrida), offered by the OSC seed company. Prized for its beautiful blue flower spikes, this...
Wild Lupine
$2.19
Perennial Lupine – A Jewel of the Canadian Prairies Wild lupin seeds (Lupinus perennis) , offered by the OSC seed company. Native to Ontario, this rare perennial offers abundant blooms...
Lavender 'Vincenza Blue'
$2.99
Vincenza Blue Lavender – An Elegant Touch for Your Garden Blue lavender seeds from Vincenza (Lavandula officinalis), offered by the OSC seed company. Vincenza Blue Lavender is a reliable perennial,...
Hollyhocks 'Chater's Double Mixed'
$2.19
An Explosion of Double Colors Hollyhock 'Chater's Double Mixed' ( Alcea rosea ), offered by Semences OSC. Hollyhock 'Chater's Double Mixed' transforms gardens into a symphony of vibrant colour. These...
Gypsophila 'Paniculata Baby's Breath Single'
$2.99
Elegant and Long-Lasting Blooms Gypsophila 'Paniculata' (Baby's Breath) seeds, offered by OSC Seeds Enhance your floral arrangements with this heirloom perennial. Baby’s Breath 'Single' creates delicate clouds of tiny white...
Mrs. Bradshaw Avens
$2.99
Mrs. Bradshaw Avens: Vibrant red blooms for your borders Mrs. Bradshaw Avens (Geum x hybridum), offered by OSC Seeds The 'Mrs. Bradshaw' avens is a hybrid perennial admired for its...
Gaillardia 'Grandiflora'
$2.99
Grandiflora Resistant and Vibrant Flowers Gaillardia Grandiflora seeds (Gaillardia X grandiflora) , offered by the seed company OSC. Bright golden-yellow flowers with brownish-red centers brighten up your garden all summer...
Foxglove 'Excelsior'
$2.19
Dazzling Flowers and Majestic Elegance in the Garden with this Foxglove 'Excelsior Hybrids' Foxglove ' Excelsior' (Digitalis purpurea), offered by the seed company OSC. A majestic plant with large inflorescences...
Delphinium 'Magic Fountains Mixed'
$2.99
A Compact and Versatile Delphinium for Elegant Gardens Delphinium 'Magic Fountains Mixed' (Delphinium x elatum) , Offered by Semences OSC Delphinium 'Magic Fountains Mixed' is a hybrid perennial that combines...
Rudbeckia 'Gloriosa Daisy'
$2.19
An Explosion of Vibrant Colors Rudbeckia 'Gloriosa Daisy' ( Rudbeckia hirta x gloriosa ), offered by Semences OSC. With its large, spectacular 12-18cm diameter flowers in shades of yellow, mahogany...
Coreopsis 'Sunfire'
$3.99
A Reliable and Stunning Perennial Coreopsis 'Sunfire' (Coreopsis grandiflorum), offered by OSC Seeds Sunfire brings brightness to any garden with its golden-yellow flowers featuring a burgundy-red center. These compact, bushy...
Coreopsis Dwarf Plains
$2.99
A Compact Native Delight for Your Garden Dwarf Plains Coreopsis (Coreopsis tinctoria), offered by OSC Seeds This compact version of a beloved wildflower grows up to 40 cm tall, making...
Echinacea 'White Swan'
$2.99
White Elegance and Resistance for Your Gardens Echinacea 'White Swan' ( Echinacea purpurea 'White Swan' ), offered by Semences OSC. A pretty white version of the classic purple coneflower. With...
Purple Echinacea 'Pow Wow Wild Berry'
$5.99
Vibrance and Resilience for Your Gardens Purple coneflower 'Pow Wow Wild Berry' ( Echinacea purpurea ), offered by Semences OSC. Flowering in its first year, this compact coneflower reaches 60cm...
Echinacea dwarf Yellow
$2.19
Rustic Elegance and Resilience for Your Gardens Yellow dwarf echinacea ( Ratibida pinnata ), offered by Semences OSC. This native Canadian coneflower brightens gardens with its bright yellow flowers with...
Columbine Earlybird Red and Yellow
$3.99
Compact and Colorful Perennial Earlybird Red and Yellow Columbine (Aquilegia x hybrid), offered by OSC Seeds A compact, first-year blooming perennial with vibrant red and yellow flowers. These mounded plants...
Catmint 'Nepeta Mussinii'
$2.19
Perfect for Sunny Gardens Catmint 'Nepeta Mussinii' (Nepeta mussinii), offered by OSC Seeds Nepeta 'Mussinii' grows in charming low mounds topped with violet flower spikes reaching 30 cm in height....
False Rock Cress Aubretia
$2.99
Aubretia Cress - Bright Colors for Rock Gardens Seeds of Aubretia Cress (Aubretia cultorum), offered by the seed company OSC. This perennial groundcover forms a dense mat of evergreen foliage,...
New England Aster
$2.99
New England Aster: A native perennial for natural gardens New England Aster (Aster novae-angliae), offered by OSC Seeds The New England Aster is a native Ontario perennial, perfect for attracting...
Armeria maritima 'Splendens'
$2.99
Armeria Maritima 'Splendens': Resilient Pink Beauty Armeria maritima 'Splendens' (Thrift, Sea Pink), offered by OSC Seeds Armeria maritima 'Splendens', also known as Thrift or Sea Pink, is a hardy perennial...
Mountain Sandwort
$2.99
An Elegant Floral Tapestry 'Mountain Sandwort' ( Arenaria Montana ), offered by Semences OSC. Bring a delicate touch to your alpine and rock gardens with 'Mountain Sandwort'. This creeping perennial,...
Snowcap Arabis
$2.99
Early Spring Elegance Snowcap Arabis (Arabis alpina caucasica), offered by OSC Seeds Snowcap Arabis, also known as Rock Cress, is a hardy perennial that brightens gardens with its fragrant white...
Zinnia 'Thumbelina Mixed Colors'
$2.19
An Explosion of Colors in a Compact Format Zinnia 'Thumbelina Mix of Colors' ( Zinnia elegans ), offered by Semences OSC. Meet the first truly dwarf zinnia variety, 'Thumbelina Colour...
Zinnia 'Pom Pom or Lilliput Mix'
$2.19
A Colorful and Long-Lasting Explosion in Your Garden Zinnia 'Pom Pom or Lilliput Mix' ( Zinnia elegans ), offered by Semences OSC. Zinnias 'Pom Pom or Lilliput' offer a profusion...