When native desert plants are irrigated regularly, they can produce a tremendous amount of new growth. This can be good from the perspective of shade and screening, but the new growth is often weak and can fail during storms. In addition, any plant that is growing too quickly can obstruct a view or interfere with …
So the trunk of your tree or shrub is covered in crusty green stuff – don’t panic! It’s unlikely that this ‘green stuff’ is harming the tree. What you are observing is the growth of lichen on the bark. Lichens are non-parasitic organisms that consist of a partnership between a fungus and a green alga …
Leaf curl and leaf blister are a group of diseases caused by the fungus Taphrina. Taphrina caerulescens is the causal agent of oak leaf blister, and Taphrina deformans is the causal agent of peach leaf curl. These diseases are common in spring as the pathogens infect newly growing leaves, flower parts and fruits. Only undifferentiated …
Being a leader in the tree care industry means continually focusing on learning and innovation. Bartlett’s Tree Topics blog follows in that tradition by offering a place to receive advice on trees, tree pests, tree preservation, and more.
