planting several lemon trees together in a row building a greenhouse to shelter the lemon tree giving the lemon tree extra fertilizer in the winter tying a stake to the lemon tree for support during the winter
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Students want to plant a lemon tree at their school, but the cold winter temperatures in Massachusetts would kill the tree. Which of the following is the best solution to this problem?
Possibilities:
- planting several lemon trees together in a row
- building a greenhouse to shelter the lemon tree
- giving the lemon tree extra fertilizer in the winter
- tying a stake to the lemon tree for support during the winter

building a greenhouse to shelter the lemon tree