Wine Cap Mushroom Grow Kit
Grow Gourmet Garden Mushrooms
The Wine Cap Mushroom Grow Kit (Stropharia rugosoannulata), also known as the Garden Giant, is one of the easiest outdoor mushrooms to grow in the UK. Perfect for woodchip beds, raised beds, and garden paths, Wine Caps improve soil health and can return year after year with generous harvests from early summer to early autumn.
This kit provides vigorous, UK-grown spawn and clear instructions to help you establish a productive mushroom bed.
We now have a Gift Voucher Option so you can gift the Grow Kit now and the spawn is delivered at the when the voucher is redeemed.
Choose Your Option
1. (No Voucher) Order Grow Kit
Your kit includes 1 kg of fresh Wine Cap spawn—enough to create a 1 m² mushroom bed with repeated flushes over many months.
2. Gift Voucher (+£1.50)
A printed voucher in a kraft-paper envelope, posted immediately.
The recipient receives the voucher now, and the spawn is shipped directly to them when the redeem the voucher code
What’s Included
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1 kg Wine Cap mushroom spawn (fresh, vigorous & UK grown)
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Enough for a 1 m² outdoor mushroom bed
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Step-by-step instructions for creating your bed
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Access to our online guides:
Why Wine Caps?
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Extremely easy outdoor mushroom to grow
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Produces large, meaty, red-wine-coloured mushrooms
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Low-maintenance: layer spawn with woodchip, keep moist
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Perennial—often returns for several years
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Improves soil and supports garden ecosystems
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Expandable: once established, you can use your own bed to make more spawn for free
Ideal for gardeners, food growers, permaculture designers, schools, community gardens, and anyone wanting a resilient, productive mushroom patch.
Shipping
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Spawn is sent out within 2 days after purchase although we recommend March to September as the best time to create the bed.
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Voucher orders ship immediately (1–2 working days).
If you pre-order now, your spawn will automatically be dispatched in March.
Perfect Gift
If you select the Voucher option, your recipient gets a lovely printed card in a printed kraft envelope (see pictures) , with instructions on how to redeem their kit.
The spawn arrives at the correct growing season—ensuring the best possible success.
Sustainability
Our spawn is produced using peat-free substrates and grown as part of our Farming With Fungi programme at the National Botanic Garden of Wales.
Product Details
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Species: Stropharia rugosoannulata (Wine Cap / Garden Giant)
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Spawn type: Sawdust/Woodchip spawn
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Bed size: 1 m²
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Skill level: Suitable for beginners
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Growing location: Outdoor garden beds, woodchip paths, raised beds, under soft fruit, or alongside vegetables.
For detailed growing advice, visit our guides:
