Street trees are an important and valuable asset to our cities, towns and urban areas. They offer us many benefits including fresh air and shade. Properly planting and caring for street trees can be a challenge for some cities, which sometimes results in less-than-desirable tree performance or life expectancy. At the University of Pennsylvania in Philadelphia, it’s exciting to see that street trees in new buildings or developments include a large, continuous soil trench with a permeable layer be

Starting to Make Your Own Bonsai Tree: The beginner's guide to repotting bonsai