Heated propagators will ensure that your seeds or cuttings have a constant steady temperature. This results in faster and even germination or more reliable rooting.

Do you leave a heated propagator on all the time?

I leave my propagators on all the time. I close the vents and as soon as the seedlings appear I open them. I tipe the condensation on the lids back into the compost. The vents should be open after germination as the seedlings can catch a fungus and die.

Are electric propagators any good?

Garland Fab 4 Electric Heated Propagator

The Fab 4 propagator is a great entry-level propagator for new gardeners. It gives a first-time user ease and simplicity without compromising on quality. With four cells, it's great for growing a range of plants for the first time and easily keeping track of what's what.