Flower Seeds for Sale | Annual, Perennial, Heirloom, Wildflower
Premium Flower Seeds
Shop a wide selection of high-quality flower seeds at Keans online store. We offer annual, perennial, heirloom, and wildflower seeds for all your gardening needs.
Explore Our Flower Seed Categories
Annual Flower Seeds for a Constant Color in Your Garden Add a burst of color to your garden all season long with our annual flower seeds. These seeds bloom for one season, but will give your garden a colorful and vibrant look.
Perennial Flower Seeds for Long-lasting Beauty Enjoy the beauty of flowers for years to come with our perennial flower seeds. These seeds bloom year after year, making them a great investment for your garden.
Wildflower Seeds for a Natural Garden Embrace the natural beauty of wildflowers with our wildflower seed selection. These seeds are perfect for creating a natural and wild look in your garden.
Why Gardeners Love These Brands
Thompson & Morgan
- Over 160 years of British gardening expertise
- RHS-endorsed varieties
- Award-winning breeding for colour and resilience
Unwins Seeds
- Gardeners’ favourite since 1903
- Quality-tested for high germination
- Handy planting guides and advice included
Perfect For:
- 🌱 Beginner Gardeners – Easy-to-grow seeds with planting instructions
- 🌼 Experienced Gardeners – Unique and heritage varieties to diversify displays
- 🌻 Pollinator Gardens – Support bees and butterflies with nectar-rich blooms
- 🌿 Urban or Small Space Gardens – Compact varieties for pots and containers
- 💐 Gifting – Beautifully packaged seed collections for birthdays, Mother’s Day & more
Why Buy Flower Seeds from Us?
- Official Thompson & Morgan & Unwins Stockist
- Wide Range of Varieties – In Stock Year Round
- Fast Dispatch & Letterbox-Friendly Packaging
- Expert Gardening Advice & Support
- Perfect for Gifting & DIY Seed Kits
Frequently Asked Questions
When is the best time to plant flower seeds?
It depends on the variety! Many annuals are sown in spring, while some perennials are sown in autumn. Check the seed packet for timing and tips.
Are these seeds suitable for containers and small gardens?
Yes, many of our varieties, including compact cosmos and dwarf sunflowers, thrive in pots, window boxes, and balcony planters.
Are wildflower seed mixes low maintenance?
Absolutely. Wildflower seeds are typically low-maintenance once established and require less watering and feeding than traditional bedding plants.
Do you offer organic or untreated seeds?
Yes! We stock several organic and untreated seed options, ideal for eco-conscious gardeners and organic plots.