1. What causes pepper plants to suddenly wilt and die? Published: February 22, 2008
2. I have a dry, white fungus forming on the leaves of my pumpkins, zucchini, and squash. How do I treat this problem? Published: February 20, 2008
3. I have had a trumpet vine plant for several years that has never bloomed. I suspect it is because of not enough sunlight, as it is on the west side of the house. We have been trimming it down to the ground in the fall. Should we be doing this? Published: February 05, 2008
4. Why are the roots of my cantaloupe plants covered with knots and small swellings? Published: January 24, 2008
5. After recent rains, my cantaloupes began to rot, and a white fungal mat formed around the base of the decay. What causes this and how do I prevent it? Published: January 24, 2008
6. The foliage on my cantaloupe is developing yellow spots with a downy growth underneath - what is the problem? Published: January 23, 2008
7. My peas have a white, "powdery" coating that eventually causes the vine to turn brown and die. Is this powdery mildew? Published: January 17, 2008
8. Can you prune live oaks anytime of the year as long as all wounds are painted (to prevent oak wilt infection)? Published: January 13, 2008
9. My bean foliage is distorted with a mottled pattern, and the fruit is crooked and hard. What's wrong? Published: January 08, 2008
10. What causes the foliage of my beans to turn yellow on top and form a brown, dusty material on the bottom? Published: January 08, 2008
11. What causes the dark or black areas on the leaves inside cabbage heads? Published: January 08, 2008
12. I dug my Yukon Gold potatoes a couple of weeks ago. The first ones we used had hollow spots in the center, and now there are quite a few oozing and rotting. Is this due to drought/water stress, or could it be an insect/disease problem? Published: January 08, 2008
13. Why does the outer foliage of my cabbage plants develop yellow lesions with downy growth underneath and then become brittle? Published: January 08, 2008
14. What are the worms that are literally destroying my cabbage? Published: January 08, 2008
15. What causes cabbage to have black streaks throughout the stem and core area, extending into the head, causing a foul-smelling decay? Published: January 08, 2008
16. Why does maturing cabbage develop black, circular spots from the size of a penny up to the size of a half dollar on the head? Published: January 08, 2008
17. I have a young burr oak that has a white tint on the young leaves at the ends of the branches. The leaves are also curled up. The rest of the tree seems healthy, and it is thriving. The same whiteness (fungus) is on our potted zinnias. What is causing this? Published: January 08, 2008
18. I have been told I have curly top virus on my tomato plants. How did they get it, can I save them, and how do I prevent it from happening again? Published: January 07, 2008
19. I was told that my tomato plants died off because of blight and that I should treat the soil this fall with a fungicide. What should I use? Published: January 07, 2008
20. Can I use a hose end sprayer to apply dormant oil to taller fruit trees, or must I use a pressure sprayer? Published: January 07, 2008
21. What causes young tomato leaves to curl and exhibit purple veins? Published: January 07, 2008
22. My potatoes die early and all I get is small potatoes. What can I do to grow a normal crop? Published: January 07, 2008
23. We planted tomatoes near a tree and, even though they get some sunlight, they are now more than 6 feet tall with few fruit. We planted Beefsteak, Early Girl, and Roma and mulched the tomatoes with sawdust. Do you know what the problem is? Published: January 07, 2008
24. The lower foliage on my tomatoes is beginning to turn yellow and drop. The leaves have circular, dark brown to black spots. Published: January 07, 2008
25. My tomato plants wilted rapidly. When I cut the stems open, I found a brown ring around the inside. Published: January 07, 2008
26. What causes the leaves of my tomatoes to turn brown along the edges? Published: January 07, 2008
27. My grapes are beginning to turn brown and shrivel. What is the cause of the problem and the prevention? Published: January 07, 2008
28. Why are black currants legal to grow in some states/counties and not in others, and what is the status in Virginia? Published: January 07, 2008
29. After a summer rain, my pepper plants died rapidly. I found a white growth intermingled with very small, bead-like structures at the base of the plant. Published: January 07, 2008
30. After the recent rainfall, my pepper plants quickly wilted and died. The inner stems of the plants were dark. What happened? Published: January 07, 2008

Didn't find what you were looking for? Try asking one of our Experts.