Sleeper Cold Frame

Designed to create a protected growing environment, this sleeper-style cold frame offers reliable shelter for seedlings, young plants, and crops during cooler months, while remaining suitable for use throughout the year.

Constructed from pressure-treated, sustainably sourced slow-grown softwood, the frame features interlocking 30mm thick sides for added strength and stability. This solid build helps retain warmth while standing up well to regular outdoor use in both private gardens and shared outdoor settings.

The lid panels are glazed with durable acrylic, providing excellent light transmission to support healthy plant development. Easily adjustable ventilation lids allow airflow to be controlled as temperatures change, helping to prevent overheating and creating balanced growing conditions. Galvanised hinges ensure smooth operation and long-lasting performance in outdoor environments.

This cold frame is well suited for starting seedlings, protecting plants from frost, and gradually acclimatising young plants before moving them into larger growing areas. Its practical design makes it a valuable addition for gardeners looking to extend their growing season or introduce hands-on growing activities.

Built for longevity, the timber is pressure treated for outdoor durability. Assembly is required and is recommended as a two-person task.

A larger size is also available for those needing additional growing space.