Posted on by Maryland Grows
Until last summer most people in Maryland weren’t aware of the new fungal disease infecting boxwood called boxwood blight. In 2011 professionals in the green (landscape and greenhouse) industry were informed of the disease but the outbreaks were scattered and…
Read MoreCategory: Lawn & Garden Tags: Author:Dave Clement, boxwood blight, diagnose plant problems, Diseases, trees and shrubs
Posted on by Maryland Grows
Q: My cherry laurels do not look good. There are brown spots and holes on the leaves and white stuff on the trunk. What can I do? A: First, there is a lot to like about cherry laurels (Prunus laurocerasus)….
Read MoreCategory: Lawn & Garden Tags: Author:Marian, cherry laurel, Diseases, insect pests, Shrubs, trees and shrubs
Posted on by Maryland Grows
This is a good time to think about what worked and what didn’t work so well in our 2018 garden spaces. What was unexpected, which weeds and diseases were challenging, how can we prevent problems and have greater success next…
Read MoreCategory: Food Gardening Tags: Author:Jon, Diseases, Tomatoes
Posted on by Maryland Grows
Q: My hydrangea bloomed white but instead of turning red it turned brown. What is happening to the petals and what can be done? A: A disease called Botrytis blight can cause spots and browning symptoms on the flower petals…
Read MoreCategory: Lawn & Garden Tags: Author:Christa, Diseases, Flowers, hydrangea
Posted on by Maryland Grows
Q: I have a cherry tree that has been in the ground for three years and has grown well. This year, the leaves have holes and they are falling to the ground already. The tree was sprayed twice with an…
Read MoreCategory: Lawn & Garden Tags: cherry shot hole, cherry trees, Diseases, Trees
Posted on by Maryland Grows
We are at the peak of tomato harvesting and enjoyment time in Maryland. But many gardeners are unhappy, to varying degrees, with the quantity and quality of the fruits of their labor. Those tomatoes we waited so patiently for may…
Read MoreCategory: Food Gardening Tags: Author:Jon, Diseases, insect damage, Tomatoes
Posted on by Maryland Grows
Southern blight is a plant disease that is active now in hot summer weather. It is caused by a fungus called Sclerotium rolfsii. This fungus has a wide host range including woody plants, vegetables and herbs, and ornamental perennials such as…
Read MoreCategory: Food Gardening, Lawn & Garden Tags: Author:Dave Clement, Diseases, Southern blight, Wilting