ACRYLIC vs. Gel-Coat Fiberglass. Acrylic. One piece construction with dome. This adds strength to the unit and eliminates post installation. damage, no seams to caulk and gather mold and mildew, dome eliminates ceiling maintenance. Non porous surface, Easy to clean, no pores to catch soap, dirt, body oils.
In cold frame gardening, a cold frame is a simple structure that usually works like a mini-greenhouse. It has a wooden frame with a transparent roof made from glass and is always constructed low to the ground to provide proper insulation.
In frost prone areas it is advisable to grow them in a greenhouse or as groups in patio containers that can be moved to a frost free position over winter. Use a loam based compost such as John innes No.2. Plant freesia bulbs at a depth of 7cm and 10cm (4) apart.