Some seeds require total darkness for germination.
Using a heat mat to grow seedlings fast.
They are useful for rooting cuttings.
This could be a natural or artificial light source.
Seed mats come in many sizes but i always suggest to size up.
Almost all seedlings grow better at temperatures below the optimum germination temperature.
How to use seedling mats.
Seedling heat mats should really be called germination heat mats.
Most home gardeners do not need one.
These are all warm crops and they do not survive in cold conditions.
Leave the heat mat on and set to the same temperature 24 hours a day until the seeds sprout.
After i ve sown the seeds and turned on the heat mat do i leave it on all night.
Expert growers grow warm crops throughout the year by creating warm conditions for their plants.
Heat mats are marketed as a propagation mat or seedling heat mats as well but the function is the same.
Heat mats have one basic function which is to gently warm the soil thus promoting faster germination and strong healthy seedlings.
Seedling heat mat make it easy to grow tomatoes lettuce broccoli peppers eggplants etc at any time of the year.
The idea of turning it off at night usually springs from the observation that the earth cools at night and warms up again in the day thanks to the sun.
Since a heat mat can be pricey at 30 50 you want it to grow with you because maybe next year your garden will be twice the size.
Do you need a seedling heat mat.
Once the seed has germinated they should be removed from the mat.
Place the heat mat on a flat dry surface in an area that matches the light requirements for your seeds.