I'm looking for cost-effective solutions to keep my shed warm this winter since it's not wired for electricity. It's essential to protect my seedlings from the cold, particularly my scotch bonnets, but I also want to avoid accruing extra electricity bills. How can I maintain a suitable temperature for my plants during the winter months?
5 Answers
Honestly, you might just want to start fresh with seedlings indoors in late January or February. Remember, in the UK you can’t really put them outside until May, so it's better to have a backup plan if they’re struggling in the shed.
Without electricity, heating the shed enough for your peppers is tough. A paraffin heater can keep it frost-free, but that might not be warm enough for seedlings. If you're set on keeping them in the shed, consider a heated propagator; they're super low wattage, so they won't cost much to run. Though keep in mind, even with windows, a shed doesn't provide enough light for seedlings, especially in winter. You might want to grow them indoors and find a way to keep your kiddo away from them.
Keep kid in shed?
It sounds like you're juggling two challenges: warmth and keeping your child from disturbing the plants. A paraffin greenhouse heater could do the trick, but make sure it's safe and reliable. I’d recommend moving the seedlings to a safer spot to ensure they don’t get pulled down by your kiddo.
I'll change the location of the plants and keep them out of reach. Thanks a lot.
To keep your shed warmer, make sure to insulate the walls and roof. It does have a window, right? Honestly, you might find that using a greenhouse instead of a shed would work better for your plants’ needs.
I am beginning to see this as my plants have begun to multiply. The shed has a window, but it doesn't open. I planned to use it for other hobbies, but those just aren't blending well with having a kid. I'm thinking about converting it to a greenhouse in the spring.
This isn't directly answering your heating question, but have you considered cold-tolerant varieties? I've heard some Welsh-bred ones do surprisingly well in winter conditions.
No...I want the specific variety I planted. They have a unique aroma and awesome flavour.

I'll keep them indoors. Thank you 😊