You’ve been watching your mushrooms grow rapidly for the last few days and start to wonder, when should I actually harvest them?

You’re tempted to leave them to see if they keep growing – after all, it is possible to grow really massive mushrooms with our GrowBoxes – but you want to eat them at their prime. And you and the kids have got a bit attached to having them in your kitchen so want them to stick around!

It’s not as simple as saying ‘harvest on Day 14 – sometimes the mushrooms are ready to harvest in 10 days, other times it can take more than 15. 

It's best to harvest your mushrooms when the mushroom caps start to turn up.

Top tips for the perfect harvest

  • Make sure you water the mushrooms frequently when they’re growing out of the box, especially if it’s hot in your house – you don’t want them to dry out.
  • If you’re going away for the weekend, and are not sure if you should harvest the mushrooms, we recommend you do! Otherwise they’ll be passed their best when you get back.
  • If they’re dropping white ‘dust’ onto the surface below, harvest them – it means they’re dropping spores
  • Keep them fresh in the fridge – they’ll last for a few days without losing quality. Give them a final spray after harvesting, and store in paper bag.
  • Finally, if they do dry out, all is not lost. Use them in a risotto where the water will rehydrate them and their flavour will infuse the rest of the meal

Let us know how you get on, happy growing – and eating!