Want this question answered?
Below the frost line of your area. Your local building code will tell you what the requirements are.
frost line in pa is 42 inches
I saw a good chart of average frost penetration for Illinois. 10" to 20" for southern Illinois 15" to 30" for central Illinois (frost line for Peoria) 20" to 35" for northern Illinois
Try GROUND FROST
In western Pennsylvania the frost line falls at 36", when installing underground waterlines 42" is perfered.
The frost depth refers to how deeply frost can penetrate into the ground. In Martinsville, Virginia, the frost depth is around 18 inches deep.
no Frost
Ground frost or hoar frost.
Below the frost line of your area. Your local building code will tell you what the requirements are.
There was frost on the ground
Air frost - or ground frost
no Frost
No there is no specific time for planting sugar cane. I will tell you that it is a lot easier to plant in early spring or late fall before frost freezes the ground. The roots and the plant are very resistant to frost and frost damage.
It's from the ground. Deep, DEEP in the ground.
3ft
No.
If you mean frost in the ground then it's routa in Finnish.