Skip to content
You will not be surprised to hear deliveries are taking a little longer right now ! 3 to 4 weeks lead time - Click here to find out more.

Propagation & Soil Thermometer

For checking compost or soil temperatures in or out of the greenhouse try this handy little Propagation & Soil Thermometer.
This thermometer is especially useful for use in propagation situations being small enough to sit in a covered seed tray as used in our range of Propagators allowing you to accurately monitor your propagators internal temperature.

Can be used directly in soil, compost, mushroom and heated seed beds.

Useful when propagating or planting out etc.

Displays temperature in both degrees Centigrade & Fahrenheit. Range -30 to +50 *C (-20 to +120*F)

Dimensions: 6" (15cm) long.

Learn more
For accurate results insert the thermometer between 2 to 3 inches into the compost or soil & check the temperature after 3 minutes.

Here's a simple guide to MINIMUM compost & soil temperature requirements for seed germination.

5*C (40*F) - Lettuce, Pea, Radish.
7*C (45*F) - Beetroot, Carrot, Leek, Parsnip, Spinach, Swede, Turnip.
10*C (50*F) - Broad Bean, Broccoli, Brussel Sprout, Cabbage, Onion, Spring Onion.
13*C (55*F) - French Bean, Runner Bean, Calabrese, Cauliflower.
18*C (65*F) - Marrow, Courgette, Sweet Corn, Tomato.