get in my belly
Water them, do not use pesticides, and cover them in the frost of the winter.
shimo
Citrus trees can withstand short periods of light frost, but hard frosts of long duration can be devastating.
There are but they ned protection from frost.
霜 Shimo
Kanki
Orange trees are most subject to sudden frost exposure.
When leaves fall off of a tree naturally it means the tree is preparing itself to go into 'hybernation' (like a winter sleep) to protect itself from frost damage or it is preparing for a dry period like some trees in savannah or desert climates to protect itself from dehydration.
Put all the radiators on! SIMPLE!
To protect them from frost and cold wind.
Apple trees -APEX
If you don't protect the plants from frost it will die.