Click & collect & Delivery 7 days * T's & C's apply, see delivery info for delivery bands

You do not have a link list with a handle set to seed-potatoes-onions, or you do and it's empty. Go ahead and create a link list called Seed Potatoes & Onions on your Navigation page and populate that link list with links that point to collections, to see collections listed here. Make sure the link list also has a handle set to seed-potatoes-onions.