For seeds to germinate, most must be kept warm: about 65 to 75 degrees Fahrenheit. A favorite place to keep seeds warm in order to germinate is on top of the refrigerator. Or, you can purchase seed-warming mats to place under the seed trays.
How warm should seedlings be kept?
Although the seeds of some plant species require a temperature as low as 50 degrees Fahrenheit to germinate, the optimal temperature for seedlings is between 65 and 75 degrees Fahrenheit, The Old Farmer’s Almanac says.
How do I keep my plant seedlings warm?
- Put Seeds On A Seedling Heat Mat. …
- Put Seeds In A Humidity Dome. …
- Put Seeds In An Enclosed Box (Heated & Insulated) …
- Put Seeds Under Warm Lights. …
- Spray Soil With Warm Water. …
- Put Seeds On Top Of The Refrigerator. …
- Put Cloches Over Seeds.
