OSC Seeds are a popular choice for Canadian gardeners looking for vegetable, herb, flower, wildflower, and grass seeds from an established Ontario seed company. The OSC Seeds collection includes more than 250 vegetable varieties, approximately 30 aromatic and medicinal herbs, annual and perennial flowers, plus specialized wildflower and grass mixes for a wide range of outdoor projects. Whether you are planning a productive vegetable garden, colourful flower beds, naturalized areas, or larger landscaping projects, OSC seeds provide options for both home gardeners and professional applications. Vegetable and garden seeds are selected with attention to germination, purity, vigour, and varietal consistency, helping gardeners choose dependable varieties for Canadian growing conditions. The assortment also makes it easy to combine vegetable seeds, herb seeds, flower seeds, and specialty mixes within one seasonal planting plan. From backyard gardens to more extensive landscape projects, explore OSC Seeds Canada for a broad selection backed by Canadian seed expertise. Browse the collection and order OSC seeds online for your next garden project.
OSC Seeds
Une référence semencière d’envergure
OSC Seeds est une entreprise familiale canadienne établie depuis plus de 125 ans, reconnue pour l’ampleur et la constance de son offre en semences horticoles. Elle propose une vaste sélection comprenant plus de 250 variétés de légumes, plus de 30 fines herbes, 240 fleurs annuelles ainsi que 100 vivaces et bisannuelles.
L’entreprise développe également des mélanges spécialisés de fleurs sauvages, de plantes indigènes et de restauration écologique, ainsi que des mélanges de graminées à gazon élaborés par des experts en turf.
Toutes les semences sont soumises à des standards de germination rigoureux et testées en laboratoire autorisé afin d’assurer pureté, vigueur et conformité aux normes canadiennes.
Qualité et expertise
- Entreprise familiale — cinquième génération
- Large éventail variétal — potagères, fines herbes, annuelles et vivaces
- Certification biologique — transformateur de semences certifiées
- Tests de germination — conformité aux normes officielles
A leading Canadian seed company
OSC Seeds is a fifth-generation Canadian family business with over 125 years of experience in horticultural seed production and distribution. The company offers more than 250 vegetable varieties, over 30 herbs, 240 annual flowers, and 100 perennial and biennial selections.
Specialized blends for wildflowers, native plantings, ecological restoration, and premium turf grass mixtures are also part of their extensive range.
All seeds are tested in authorized laboratories to ensure purity, vitality, and compliance with Canadian germination standards.
Quality and expertise
- Family-owned business — fifth generation
- Extensive selection — vegetables, herbs, annuals, perennials
- Organic seed processor certification
- Rigorous germination testing — official standards compliance
