Flower Seeds
Premium Flower Seeds – Bloom Beautifully with Thompson & Morgan & Unwins
Grow a Garden Full of Colour, Fragrance & Pollinators
Transform your garden into a vibrant oasis with our range of premium flower seeds from Thompson & Morgan and Unwins—two of the UK’s most respected names in horticulture. Whether you're sowing a wildflower meadow, planting cottage garden classics, or designing seasonal pots and borders, you'll find high-quality, easy-to-grow flower seeds for every space, soil, and season.
With varieties selected for colour, scent, pollinator appeal, and germination success, our flower seeds are trusted by beginners and experienced gardeners alike.
Why Buy Flower Seeds from Thompson & Morgan & Unwins?
🌸 Proven Germination Rates
Each packet is packed with viable, high-performance seeds bred for strong, healthy growth.
🐝 Pollinator-Friendly Varieties
Grow blooms that attract bees, butterflies, and other beneficial insects—great for the environment and your garden.
🎨 Colour for Every Season
From spring-flowering bulbs to summer perennials and autumn performers, enjoy a full year of colour.
🌱 Expertly Curated Collections
Whether you want a wildflower patch, cutting garden, or low-maintenance blooms, our seed collections are designed to deliver results.
🧬 Trusted Heritage Brands
With decades of horticultural expertise, Thompson & Morgan and Unwins are known for quality, consistency, and innovation in seed development.
Explore Our Flower Seed Categories
🌼 Annual Flower Seeds
Fast-growing favourites like cosmos, zinnias, marigolds, and nasturtiums—ideal for seasonal bursts of colour.
🌷 Perennial Flower Seeds
Long-lasting blooms such as echinacea, delphiniums, foxgloves, and rudbeckia return year after year.
🐝 Wildflower Seed Mixes
Create a pollinator-friendly haven with native wildflower blends that support biodiversity.
💐 Cut Flower Garden Seeds
Grow your own bouquets with varieties like sweet peas, snapdragons, larkspur, and sunflowers.
🌸 Cottage Garden Favourites
Classic English garden choices like hollyhocks, cornflowers, lavender, and poppies for timeless charm.
🌺 Shade-Loving Flowers
Brighten up dark corners with shade-tolerant varieties such as impatiens, begonias, and violas.
Why Gardeners Love These Brands
🌟 Thompson & Morgan
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Over 160 years of British gardening expertise
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RHS-endorsed varieties
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Award-winning breeding for colour and resilience
🌟 Unwins Seeds
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Gardeners’ favourite since 1903
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Quality-tested for high germination
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Handy planting guides and advice included
Perfect For:
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🌱 Beginner Gardeners – Easy-to-grow seeds with planting instructions
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🌼 Experienced Gardeners – Unique and heritage varieties to diversify displays
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🌻 Pollinator Gardens – Support bees and butterflies with nectar-rich blooms
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🌿 Urban or Small Space Gardens – Compact varieties for pots and containers
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💐 Gifting – Beautifully packaged seed collections for birthdays, Mother’s Day & more
Why Buy Flower Seeds from Us?
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✅ Official Thompson & Morgan & Unwins Stockist
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🛒 Wide Range of Varieties – In Stock Year Round
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📦 Fast Dispatch & Letterbox-Friendly Packaging
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💡 Expert Gardening Advice & Support
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🎁 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.
Sow Something Beautiful – Shop Flower Seeds Today
Bring colour, life, and pollinators to your garden with flower seeds from Thompson & Morgan and Unwins. With trusted quality, stunning variety, and growing advice included, success is just a packet away.
👉 Browse Our Flower Seed Collection Now | 🌷 Colourful Blooms, Delivered to Your Door