
Product Description
RHS Onion (Globe) Redspark F1 is a high-performing hybrid variety prized for its uniform, globe-shaped bulbs and rich red skin. Bred for reliability, it produces consistent crops with excellent colour and flavour, making it a dependable vegetable seed for both home gardeners and allotment growers.
This variety of onion seed is well-suited to UK growing conditions and performs strongly across a wide range of soils. Redspark F1 develops firm bulbs with crisp white flesh and a mild yet satisfying flavour, ideal for salads, cooking, and storage. As an F1 hybrid, it offers improved vigour, uniformity, and resistance to common growing stresses.
Whether grown from seed in spring or started under cover for an earlier crop, RHS Onion Redspark F1 rewards careful cultivation with a generous harvest of attractive, high-quality onions that store well and look great in the kitchen.
Grow In
- Bedding
- Border
- Container
- Patio
- Raised Bed
- container
Product Details
Planting & Harvesting
Planting & Harvesting
Take a look at our blog for expert gardening tips and advice on how to help your garden flourish!- Sow Indoors
- Sow/Plant Outside
- Flowers/Harvest
Delivery & Returns
Looking for a hassle-free way to get your gardening essentials? Look no further than Mr Fothergill's! We know how important your garden is to you, and want you to be able to stock up on everything you need.
All our delivery charges will automatically appear in your shopping basket.
- Orders for seed only will incur a £2.45 delivery charge
- Orders for non-seed items will incur a £4.95 delivery charge
- A combined order (e.g. seeds and plants) will incur a £7.35 delivery charge.
















