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Successful cuttings and germination depend on a warm, stable root-zone temperature. The Stewart heated propagator 38 x 24 x 19.5 cm features a built-in heated base that continuously maintains a gentle 18 to 23 °C, ideal for starting cuttings, seeds and young plants — even in early spring or an unheated room. Its clear, high-clarity lid creates a greenhouse effect, locks in humidity and lets light through, while the integrated heating element does the rest. Compact enough for a shelf, windowsill or a spot under a grow light, it is hand-picked by BloomLED, a French indoor-growing expert with more than 10 years' experience, to give beginners and enthusiasts alike a steady, worry-free start to every crop.

| Specification | Detail |
|---|---|
| Overall dimensions | 38 x 24 x 19.5 cm |
| Maintained temperature | 18 to 23 °C (steady gentle warmth) |
| Type | Propagator with integrated heated base |
| Uses | Cuttings, seed germination, seedlings and young plants |
An electric element spreads even warmth across the whole tray. The compost stays at the ideal temperature day and night, speeding up rooting of cuttings and seed emergence with no cold night-time dips.
The high-clarity lid keeps humidity around your plants and holds a warm, stable atmosphere. It lets in plenty of light and lifts off easily for ventilation to keep excess condensation in check.
At 38 x 24 cm it slips onto a windowsill, a shelf or under a grow light. It takes pots, cell trays or propagation modules for 1 to 2 plants or a batch of seedlings.
Plug in, add your containers, close the lid: the propagator works straight away. No complex settings, silent operation and low power draw for continuous indoor use.
The heated base holds the compost at a constant 18-23 °C. This gentle warmth drives root cell division and germination, whereas an unheated propagator relies on room temperature. The result is faster starts and a markedly higher strike rate, especially in cooler months.
How does it differ from the Stewart 52 x 42 x 28 cm model?The 38 x 24 cm size suits 1 or 2 plants or a small batch of seedlings and stays very compact. For larger volumes of cuttings, the Stewart Heated Propagator 52 x 42 x 28 cm offers more area and height for bigger plants.
Should I ventilate the propagator during growing?Yes. Remove or crack open the lid for a few minutes each day to refresh the air and release excess condensation. This limits the risk of mould and gradually hardens off young plants before transplanting.
Built for demanding indoor growing: steady, gentle warmth — your best ally for successful cuttings and seed-starting all year round.