Nuts are enough to drive you nuts, I know! but be mindful that you don't also mix up the nuts that are nuts: I hope the chestnut you are thinking of (prickly = sweet; spiked=horse) is the edible (sweet) nut you can roast romantically in roasters on the stoves the urchins in Victorian days liked to warm their hands and naked toes by.

I once wrote to a honey company to complain about the horse chestnut picture on the label of their (sweet, god willing!) chestnut honey pot. Talk about misleading the customer (or poisoning them, god-not-willing!) and/or knowing (loving?!Ha!) the product you (love to... ha, ha) sell..... sigh.