Lion’s Mane (Hericium erinaceus) has become one of the most talked-about mushrooms in the UK — searched online more than almost any other species, mostly by people curious about its reputation in wellness circles. Less commonly covered: it’s also one of the more rewarding mushrooms to grow yourself. It fruits as a single, shaggy white mass rather than a typical cap-and-stem mushroom, has a mild flavour often compared to crab or lobster, and with the right conditions it’s very achievable for a home grower. Here’s how to actually grow it.
What Is Lion’s Mane?
Lion’s Mane is a wood-loving fungus that grows a dense cluster of hanging white spines instead of gills — it looks more like a pom-pom or a waterfall than a conventional mushroom. It’s popular in cooking for its texture and mild taste, and it’s one of the most widely studied culinary mushrooms for its potential role in cognitive and nerve health, though — as with any mushroom marketed for wellness — it’s worth treating those claims as an active area of research rather than settled fact.
What You Need to Grow Lion’s Mane at Home
The most straightforward route is a dedicated Lion’s Mane Mushroom Grow Kit, which comes pre-inoculated and ready to fruit. If you’d rather build your own from a liquid culture or spawn, Lion’s Mane grows well in the same rye grain and hardwood-based substrates used for most gourmet species — see our guide to liquid culture if you’re inoculating from scratch.
Step-by-Step: Growing Lion’s Mane From a Kit
1. Incubate. Keep the kit somewhere warm and dark, around 21–24°C, until it’s fully colonised white — this usually takes 2–3 weeks.
2. Introduce fresh air and light. Once colonised, cut or open the bag’s fruiting slit and move it somewhere with indirect natural light and good airflow. Lion’s Mane fruits best slightly cooler than oyster or shiitake kits — aim for 18–21°C.
3. Maintain humidity. Mist the inside of the bag or tent once or twice a day to keep humidity high (around 85–90%) without leaving standing water on the mushroom itself.
4. Wait for pinning and growth. A small white knob will appear at the fruiting site and gradually develop its spines over 7–12 days.
Harvesting Lion’s Mane
Harvest when the spines are around 1–1.5cm long, just before they begin to yellow at the tips — this is when the flavour and texture are at their best. Twist and pull the whole cluster away from the substrate, or cut it cleanly at the base with a sterile knife. Most kits will produce a second, smaller flush 1–2 weeks after the first if you keep misting and maintain conditions.
What to Do With Your Harvest
Lion’s Mane is usually sliced and pan-fried — it releases a lot of water at first, so cook it low and slow until that evaporates and the edges start to caramelise. If you’d rather preserve it for longer, or you’re growing it specifically for its wellness reputation, a Lion’s Mane Tincture or drying your own harvest for tea using our DIY mushroom teabags are both straightforward ways to make it last well beyond the fresh harvest window.
Common Problems
- Slow or stalled colonisation — usually means the kit is being kept too cool. Move it somewhere warmer, closer to 21–24°C, for the incubation stage specifically.
- No pinning after colonisation — check that the kit is getting indirect light and enough fresh air exchange; Lion’s Mane needs both to trigger fruiting.
- Small, sparse growth — often a humidity issue. Increase misting frequency, but avoid soaking the mushroom itself.
Frequently Asked Questions
How long does a Lion’s Mane kit take to fruit?
Typically 3–5 weeks in total from opening the kit to your first harvest, depending on temperature and how quickly it colonises.
Does Lion’s Mane need different conditions to other mushroom kits?
Mostly the same, but it prefers slightly cooler fruiting temperatures than oyster or shiitake kits, and it’s more sensitive to being kept too warm during the fruiting stage.
Can I get more than one harvest from a kit?
Yes — most kits will give a smaller second flush after the first, as long as you keep misting and the substrate hasn’t dried out.
Shop the Essentials
- Lion’s Mane Mushroom Grow Kit — pre-inoculated and ready to fruit
- Lion’s Mane Mushroom Tincture — for preserving your harvest
- Mushroom Heat Mat — for keeping incubation temperature steady
- Browse all Mushroom Growing Kits