However if your garden is mainly for food a heat light can help you get fresh fruit and vegetables all year round even if it is freezing outside.
Heat lamps for plants in winter. But at night or on very cold winter days many of our solar gem owners use a small ceramic space heater heat lamps or propagation pads kind of like heating pads that you place your plants atop plugged in a thermo cube see our online store for details for needed extra warmth. My college experiences 10 degrees in the winter and the dorms. Heat lamp for indoor plants in winter. Damage due to cold weather may be limited to the foliage or may cause serious problems to the vascular system.
A heat lamp is a luxury for flowering plants and it is nice to be able to keep them alive over the winter ready to be planted outside next year. The 50w plant lamp design professional planting lamp beads the lamp bead is contains more red light which makes the light look a little yellowish which is more conducive to flowering and fruiting. In order to protect the plants you will need some sort of additional heat during frost and freeze events. The warm and bright light is more helpful for plant growth.
I am a recent college freshman and have a few but planning to get more indoor tropical plants to give the drab dorms a bit of color. My issue is that all the plants require about 70 degrees or higher temperature all year round. Keeping outdoor plants alive in the winter can be hard especially if those plants are tropical or subtropical and you live in an area that has occasional freezes.