Q: My home backs up to a large natural area and I have seen a few of the small pine trees with large areas of an orange colored powder on some of the trunks or… Read More
Q: I have sent you pictures of something I found this morning on our cedar mulch in back of our house. I have never seen this before and would like to know what it is… Read More
A: The cause of the spots on the leaves is a fungus called Rhizoctonia solani Kuhn. The leaf spots are tan with alternating light and dark concentric rings. The spores of this fungus are… Read More
A: After looking at your leaves I determined the cause was fig rust, which is a fungus. The disease is first evident as small, angular, yellow-green flecks on the leaf. The spots do not become… Read More
A: Thanks for bringing me a sample of the problem. Managing the disease can be done but it will take some effort. Your shrub is called Pittosporum and there are several varieties of the plant… Read More
Q: The hickory trees in my yard and those around the neighborhood seem to be doing poorly. Some of the tops of the leaves are turning brown and the undersides have white spots. A: I… Read More
Q: Could you help me determine the name of the plant that just appeared in my garden one day in late summer?
Q: Could you help me determine the name of the plant that just appeared in my garden one day in late summer? It had interesting foliage so I let it grow. It may be an… Read More
Q: Last year I had the ends rot out of watermelon and cantaloupe. What can I put on the plants to prevent the end rot?
Q: Last year I had the ends rot out of watermelon and cantaloupe. They bloom but no fruit developed. This year, I planted zucchini instead and I am getting the same problem. The fruit is… Read More
Q: My Satsuma tangerine tree is loaded with fruit but none of them are orange. How do I know when they are ready to pick?
A: Satsuma mandarin bears its fruit early in the year which makes it a good choice for our area, especially for the home landscape. The name Satsuma comes from a specific province in China. Since… Read More
Q: Do you know of anyplace where I can get some osage oranges? It is supposedly also referred to as monkey balls. I read online somewhere that they are an excellent deterrent to spiders and… Read More