Pompom mushrooms are a frilly, delicate gourmet fungus with a distinctive flower-like cap, prized for their tender texture and subtle flavour. They're straightforward to grow at home using a kit or small-scale cultivation, and they cook quickly in the pan. I grow them year-round in West Norwood and sell them fresh at local markets; they're equally rewarding for a kitchen gardener learning to cultivate mushrooms for the first time.
What exactly is a pompom mushroom?
The pompom mushroom—sometimes called the lion's mane in its wild form, though our cultivated variety is distinct—is Hericium erinaceus. It's unmistakable: a cascading, cream-coloured fruiting body that looks less like a traditional mushroom cap and more like a small pompom or a sea creature with delicate, hair-like branches. When you hold one, it feels almost feathery. The fronds are the edible part, and they're tender, slightly sweet, and absorb flavour beautifully in cooking.
I first worked with pompoms through the Community Mycology Lab at Remakery Brixton, where we were exploring what gourmet varieties could thrive in our local growing space. The texture is quite different from button or oyster mushrooms—it's less dense, more porous, almost crab-meat-like when cooked gently. That's why chefs and home cooks value them: they're visually striking on a plate and they take on the flavours of what you cook them with.
How do pompom mushrooms grow, and what conditions do they need?
Pompoms are wood-decomposers, which means they grow on hardwood substrate—typically sawdust mixed with grain or other organic material. They prefer cooler, humid conditions, ideally between 55–65°C, and they fruit best when there's good air circulation and indirect light. Unlike button mushrooms, which need deep darkness, pompoms actually fruit better with gentle ambient light, so a shaded corner of a kitchen or garage works well.
The fruiting cycle is relatively quick: once you've inoculated your substrate with mushroom spawn, you're looking at 2–3 weeks before the first pompoms begin to pin (form tiny primordia), and another 7–10 days until they're full-sized and ready to harvest. They're forgiving fungi too—I've seen them thrive in standard grow kits, in buckets with simple humidity tents, and in the cooler months in unheated sheds. That's part of why I include them in the cultivation workshops I run; they're reliable enough for a beginner, but they teach you something real about how mushrooms sense their environment.
Can you grow pompom mushrooms at home?
Yes, absolutely. A home grower has two main routes: a pre-made grow kit (substrate already colonised, ready to fruit) or a from-scratch cultivation using spawn and substrate you prepare yourself. The kit route is the quickest and lowest-risk—you follow the instructions, mist once or twice daily, and harvest within 2–3 weeks. I sell mushroom grow kits through local markets and the West Norwood Feast, and pompom kits are popular because they're visual (the fruiting body is beautiful to watch emerge), reliable, and they don't demand specialist equipment.
If you want to go deeper and prepare your own substrate, you'll need hardwood sawdust, grain spawn, a pressure cooker or steamer to pasteurise, and a container with holes for air exchange. It's more involved, but it's also the foundation of understanding how mushroom cultivation actually works. The South London Mushroom Club has members who've started this way, and once you've done it once, it becomes routine. Either path works; it depends whether you want the quick satisfaction of a kit or the fuller learning curve.
How do you cook and eat pompom mushrooms?
Pompom mushrooms are best cooked gently because their delicate structure can fall apart if you handle them roughly or fry them hard and fast. I prefer to sauté them slowly in butter or good olive oil over a medium heat, so they soften and begin to caramelise rather than steam. They develop a subtle sweetness and a tender texture that sits somewhere between mushroom and seafood—almost crab-like. They're excellent with garlic, fresh thyme, a squeeze of lemon, and good salt.
They also shine in broths and soups, where their frilly structure soaks up stock flavour beautifully, and they work well in pasta dishes or risotto. I've included them in the dried mushroom blends and seasoned powders we produce at the studio; once dried, they concentrate their flavour and become a useful ingredient for home cooks who want to layer umami depth into a dish. The key is respecting their delicate nature—they're not a mushroom to blast at high heat. Cook them as you might cook a soft white fish: gently, with attention, so their texture stays interesting.
Where can you buy fresh pompom mushrooms?
I grow pompoms fresh year-round and sell them at West Norwood Feast and local South London markets when in season. You'll also find them at independent greengrocers and restaurants that work with small-scale local growers. Because they're a gourmet variety, you won't find them in supermarket chains; they're part of the direct relationship between grower and cook that keeps the supply chain transparent and the mushrooms fresher.
If you want them regularly, a grow kit is often the most reliable and cost-effective route. You get multiple flushes (harvests) from a single kit, and you know exactly how they've been grown. I can recommend suppliers and guide you through the process if you'd like to start; I also run cultivation workshops through the studio where we cover pompoms alongside other varieties. That way you're learning from someone growing them locally rather than reading instructions alone.
What flavour profile and culinary role does a pompom mushroom have?
Pompoms are subtly sweet and delicate—not earthy or umami-forward like oyster or shiitake mushrooms. That makes them useful in different dishes: they don't dominate a plate, so they work well with fish, light cream sauces, and refined vegetable dishes. They're less suited to heavily spiced or robust meat dishes, where their gentle flavour would be lost. Think of them as the refined, understated ingredient rather than the anchor.
In the culinary products we make at the studio, pompoms are often blended with other varieties to add texture and visual interest to dried mushroom mixes, rather than standing alone as a dominant flavour note. A local chef I work with at West Norwood uses them whole and fresh on a simple plate with brown butter and capers—the presentation does half the work, and the flavour is gentle enough not to fight the butter. That's really the role they play: they're beautiful, they're delicate, and they make a dish feel considered.