Collection: Red onion Seeds
Grow Red Onions from Seed – Fast & Reliable
Our red onion seeds are ideal for home gardeners and allotments, producing juicy, vibrant onions with minimal effort. Sow in spring or summer and enjoy fresh, flavorful onions straight from your garden.
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Onion Red Brunswick Seeds
Regular price From £1.35Regular price -
Autumn Onion Sets Electric
Regular price From £3.10Regular price -
Onion Long Red Florence Seeds
Regular price From £1.35Regular price -
Spring Onion North Holland Bloodred Seeds
Regular price £1.40Regular price -
Franchi Seeds of Italy Onion Tropea Rossa Lunga Seeds
Regular price £2.99Regular price -
Onion Magnate F1 Hybrid Seeds
Regular price From £1.40Regular price -
Kings Seeds Onion Spring Lilia RHS AGM 500 Seeds
Regular price £2.15Regular price -
Autumn Onion Sets Red Winter
Regular price From £3.10Regular price -
Franchi Seeds of Italy Onion Tropea Rossa Tonda Seeds
Regular price £2.99Regular price -
Kings Seeds Onion Red Brunswick 275 Seeds
Regular price £1.95Regular price -
Exhibition Vegetable Robinsons Mammoth Red Onion 100 Seeds
Regular price £3.50Regular price -
Kings Seeds Onion North Holland Red Blood 250 Seeds
Regular price £1.95Regular price
Most Popular Varieties
Customer favourites and dependable varieties recommended by JustSeed
Why choose JustSeed?
Quality Seeds
Carefully selected for reliable results
Fast UK Delivery
Packed and dispatched with care
Gardening Expertise
Practical advice from experienced growers
Here to Help
Helping gardeners grow with confidence