Solarize ® Solar Light Table Elegant Ceramic Lantern, LED Decorative Outdoor Lamp, 2 Function Soft White I Colour Changing RGB Filigree Garden Party 1 Solar Table Lantern : Amazon co.uk: Lighting
Keeping the soil moisture at about 70% of its water-holding capacity helps with heat transfer. Use clear plastic sheeting (1-2 mil thick) and secure it well to trap heat efficiently.
