Maryland Grows

Archives


The Nativar Dilemma: The Case of My Purple Ninebark & The Leaf Beetle

I thought I was doing the right thing. When I moved into my house 11 years ago, I found a purple barberry shrub (Berberis thunbergii) planted in the back yard by the previous owner. I thought right away, it had to…

Read More

Monthly Tips for November

Ornamental Plants Pansies are a good choice for fall and winter color in the garden. If you want to plant pansies you need to do it very soon to assure that their roots get established for winter. As a bonus,…

Read More

Ambrosia Beetles Are Behind Those Tubes

Q: These things like spaghetti pasta were sticking out of our tree that suddenly died. They crumbled when I touched them. Did they attack the tree and kill it? A: These are sawdust tubes pushed out by ambrosia beetles as they bore…

Read More

Multi-colored Asian Lady Beetles Are Also Known as Halloween Beetles

To keep in the spirit of Halloween, I wanted to talk about a beneficial insect with orange and black coloration. The first to come to mind is the multi-colored Asian lady beetle, Harmonia axyridis. Both the coloration and the timing…

Read More

Q&A: They’re Orange and Black But Not Monarchs. What’s Eating My Milkweed Plant?

Q: I found these orange bugs all over the milkweed I planted for Monarch caterpillars. What are they and what, if anything, should I do about them? I don’t want to harm other organisms. A: What you have here are…

Read More

Black-eyed Susans Attract Pollinators and Other Beneficial Insects

Black-eyed Susans are easy to grow and will attract many pollinators to your garden. The dark center or eye of the flower head holds 250 to 500 individual flowers, and to pollinators, each one of these is a shallow nectar…

Read More

Monthly Tips for September

Houseplants Before bringing houseplants back into the house: Check plants for ants, earwigs, pillbugs, and other nuisance insects.  Wash off insect pests or apply a labeled houseplant insecticide to control any plant pests such as aphids, scales, spider mites, and mealybugs. If the plants…

Read More