A horticultural enclosure 14 including mesh 10 for excluding animals and a slide fastener (or zip) 20, the slide fastener comprising first and second fastener portions 21, 22 and a slide 25, at least one of the first and second slide fastener portions having a respective attachment portion, the or each attachment portion including attachment means 31 adapted for attaching the respective attachment portion to a respective edge region 11 of the mesh to form an aperture or door 12 which is openable and closable by operation of the slide. The attachment portion may include a pair of flaps 27, 27, the flaps having respective facing surfaces 30, the attachment means being arranged to attach the facing surfaces of the flaps together through the mesh when the mesh is interposed between the surfaces. The attachment means may be a hook and loop type fastening
