Garden experts warn your seedling could fail if your greenhouse drops below this temperature this winter — what you can do to avoid it

Rose plant and metal watering can outside glass and brick greenhouse.

Gardening experts have warned that cold greenhouses could be killing your plants this winter.

In the midst of winter, keeping your greenhouse warm and toasty for your plants should be a key component of any greenhouse ideas. Especially as experts at Garden Buildings Direct have warned that when temperatures drop below just 5 degrees, your tender plants are suddenly at risk - which is why you should act now to ensure your greenhouse is warm enough if you're using it to nurture seedlings.