Time to bring in the plants to protect them from the cooler temperatures.
The National Weather Service is expecting some frosty weather tonight and into Saturday morning for the Watertown area.
According to a statement from the NWS on Thursday, "below freezing temperatures could kill sensitive vegetation."
This freeze could be the end of the growing season, the statement added.
The frost watch is set from late night on Friday to Saturday morning. Temperatures are expected to be around 30 degrees.
Frost advisories are set during the "growing season," said the NWS in a statement.
"Those with agricultural interests are advised to harvest or protect tender vegetation."