Growing Things: How best to apply rock around tree beds

Q: We live in a new development and we had our yard landscaped last fall. Around all our newly planted trees, the landscaper put about 7.5 cm depth of 2 cm rock over landscape fabric. Is this a good idea? I feel that the roots will not get any air, and the soil will remain cold all summer long. I would like any comments from you, please. Read More