Gardmans extra large polycarbonate wooden growhouse features 3 slatted shelves to allow plenty of space for seed trays cuttings or more mature potted plants this twin walled polycarbonate glazed growhouse will protect your plants and contain the heat it also has an fsc approved wooden fram and hinged double doors with latch bolt fastening and a hinged lid with adjustable locking supports r r the growhouse is ideal or use in the garden or at the allotment and measures 140cm in height at