Insects and Disease

Water Wand – Goodbye Aphids and Spider Mites

Q I need to purchase a water wand for washing aphids off of a couple of my rose bushes. I understand from my reading that the wands available in the big-box stores may not be most kind and effective … [Read more...]

Aphids!

Q My Hello Dolly just bloomed and I am so happy. But I now have the beginnings of a pest problem. There are these little brown bugs gathering at the base of new baby leaves and new rose buds. Do … [Read more...]

Crown Gall on Roses

While digging around my healthy Gemini rose bush I was surprised to find a mass of woody, bulbous growths, just under the top of the soil. They broke off easily. Bad news: crown gall. Because it was … [Read more...]

Brown Edges on Petals & Brown Edges on Leaves

Q What causes brown edges on rose petals? A Brown edges on petals are usually caused by thrips. Thrips are tiny chewing insects that are about 1/16 inch long, with a diameter the size of a … [Read more...]