This propagator is made up of 4 individual seed trays, as well as a heated base. While it requires a little more space than other units I’ve recommended, measuring 39 x 25 x 16cm, it still fits easily on most average window sills. Each tray measures 8.5 x 15.5cm, while the height of the lid is 8cm. This allows seedlings to grow tall and develop strong roots before replanting. The Jumbo Windowsill heat propagator is 20 cm long, 20 centimetres deep, and 80 cm wide. With a 12W heating apparatus, It maintains heat at 21°C throughout. The only problem you will likely have with this propagator is its flimsy lead. However, if you use it carefully, you will love it. 6 Thompson and Morgan Heated Propagator with Air Valve Vent The simplest form of propagator is a small tray with a clear hood which can be used on a windowsill. While it doesn’t come with a thermostat, it can maintain a consistent temperature of approximately 16-21°C (61-70°F). It is a good environment for seedlings and cuttings to grow well. Garland Plant Supplies introduced the amazingly affordable – yet efficient – Garland Super7 Gardening Windowbox this past winter to help amateurs and enthusiasts alike take their green thumbs anywhere in their homes or apartments. This space-saving gardening set-up houses seven potted plants with an innovative heating system that enables hyperlocal cultivation whether you’re confined by limited sun exposure or window availability (or both!).

Seed propagators are a fantastic way to give your garden the jump start it needs in early spring. But with so many options out there, knowing which one is right for you can be tough. So we put together this guide on what the various types of seed propagators do and how they work. The propagator's clear lid features a vented slot that can control both the temperature and humidity for growth. Electric propagators are easy to use and can be placed conveniently in your home or greenhouse. They are also typically easy to clean and maintain. 5. Ease Of Use The Sankey Growarm 100 Electric Propagator is perfect for helping you to get ahead this growing season.With this propagation kit, you can start growing your first seeds in no time.With so many types on the market, you may become confused by the choice. However, to make sense of what's on offer take time to list your needs, such as:

Large, one-cell units that measure around 52 x 45 cm can be used to try to germinate around 140 seeds. They’re often big enough to fit 2 x 24-pot seed trays, and if you get 3 seeds in each pot, this can mean the potential to plant 144 seeds. If you are looking for a bigger, strong, and taller propagator, the EarlyGrow Domed propagator could impress you. It has a massive, heavy-duty tray. This is not your ordinary plate. It is made with durable PP materials which can withstand heavy plant containers. Most electric propagators come with clear instructions and are easy to operate, making them suitable for gardeners of all experience levels. 6. Multiple Uses

Electric propagators provide the perfect environment for seed germination, making it possible to grow all year round. If you want to grow different plants at different temperatures, choose a propagator with several individual growing pods (known as ‘cells’). Make sure the cells have vents to regulate the temperatures. As an additional extra, variable thermostats are available for certain models. Prices do vary but a reasonable type measuring 15 x 24in (38 x 60cm) rated at 28 watts can be bought for the price of a small heated propagator. Seeds from warm-season plants, such as tomatoes, peppers, and eggplants, require higher temperatures to germinate.