OPINIONS are changing about how we should protect our plants during winter. Gardeners are becoming increasingly concerned about the environmental impact of their actions, so pumping harmful waste gases into the atmosphere, or purchasing yet more plastic-based items, are frowned upon.
Where does this leave the greener gardener? Well, at the moment, in a quandary because technology is still catching up with desire. An idealist DIY pioneer could rig up a solar panel or wind turbine to power a battery that runs their electric heater. The rest of us, however, must remain content with what is still widely available and affordable.
Bubblewrap, horticultural fleece and thermal screens used by commercial growers are predominantly made from plastics that are tricky or impossible to recycle. A
