Frost-bitten on top
We have Dahlias, which we planted a week ago because the weather here has been so nice. The last few nights were close to freezing, so I covered the plants. They were fine till last night.
Even though the Dahlias were covered, the temp got down to 27F and when I uncovered the plants, which are about 18 inches high now, the top few branches were blackened. The plant is nice and green below that.
Will it come back? Should I trim off the blackened leaves?
I'm new at this, so please help soon.