Sassafras – Hard to Control Root Sprouts
Q: Over the last six months, I have made great strides at developing our landscape. However, for the past two years during the spring and summer, I have had hundreds of unidentified saplings uncontrollably sprout
Lamb's Ear (Rose Campion, Artemisia) – Diseased
Q: We went out of town for a few days and returned to find several of my lamb's ears, rose campion, and artemesia severely afflicted! Is it a fungus? A: Yes, it’s a fungus and it's all a result of reg
Q: My husband and I argue so much about this subject that we might be headed to divorce court! We have grown a pin oak for 20 years, although it still has a small canopy. Should I irrigate further out than the dr
Mud Dauber (Dirt dauber) – Buzzing Sound
Q: How does the mud dauber make the buzzing sound when nest building? The wings do not appear to move. A: Mud daubers do indeed make a buzzing sound when they are working. I've noticed it when visiting barn
Q: We have a majesty palm at work that was purchased six months ago and it constantly gets brown leaves. It has new growth, but they always seem to die off fairly quickly. It gets watered 1 2 times a week. The pi
Citrus Pollination – Seedlessness
Q: Why do some oranges and citrus have seeds and other do not? A: I'm not sure I can explain it in simple terms but this paper has the details you want. Citrus Sex, Seedlessness and New Varieties Clementine
Q: Could you please tell me what is going on with my oak tree? The roots are next to a driveway. It's very interesting looking into all the little cubby holes. Is this normal? A: This looks completely norm
Q: My husband is a beekeeper. A hornet colony has built a sizable nest on the back of our house. What makes it unique is that the nest is flush on a window and you can see inside the nest. It is time for us to pa
Japanese Beetle – Decline in Numbers
Q: We have always had a problem with Japanese beetles in summer. So far this year (2012), we have not seen any at all. None! What's up with that? A: Just as the mild winter increased the number of ticks th
Q: We have lots of yellowjackets on our patio. What is the best trap for them? A: I have tried the commercial trap with special baits but the most effective traps were inexpensive or home made. I had a thriving
Deodar Cedar – Growing Differently
Q: I have two deodara cedars that are growing at different rates. Both trees were planted six years ago by a landscape company. The non-growing deodar cedar was dug up and re-planted last fall hoping it would tak
Q: I planted 5 Green Giant arborvitaes in my backyard along a fence to provide a hedge in the future. The space gets full sun. We mixed in soil conditioner with the red clay when planting them. The trees are six
Q: I have several of these on my tomato plants and have no idea what they are. They don't look like cutworms and they only seem to be eating the leaves. Can you help? A: You have a tomato fruitworm. Althoug
Q: Is there a tomato that tolerates high summer heat better than others? A: It's true that some of the newer hybrids stop producing (probably due to lack of pollination) at temps above 90 degrees. Cindy Mar
Ruellia (Mexican Petunia) – Invasive?
Q: I’m considering planting Mexican petunia by my mailbox. However, I am reading where it can be very invasive and do not want it to overrun the azalea and hostas I have in there now. What are your thoughts? A: I
Winterizer – When is Best to Apply?
Q: We were taught in my agronomy classes that it's best to stop applying nitrogen to warm-season turf when the end of summer approaches. I have heard golf superintendents say that is not true. What is your
Runoff From Neighbor – OK to Dam?
Q: My neighbor has a bunch of gutter pipes that empty water near my property line. The water erodes around my flower beds. He refuses to do anything about it. Can I just build a dam to keep his water off my prope
Italian Stone Pine – Juvenile Foliage and Mature Foliage
Q: What is happening to my little Christmas tree? It came from a big box gardening store. Over the summer the branches have sprouted long needles from the short needle branches. Can you suggest what has happened?
Bean Leaf Roller – Identification
Q: Attached is a picture of a pest I found on my lima beans in the garden. Can you help? A: Your distinctly red-headed creature is a bean leaf roller caterpillar. Its parent is a long-tailed skipper butterfly. I’
Skiff Moth Caterpillar – Identification
Q: This green critter was found on a Japanese maple tree leaf. It is 1/2″ long and 3/8″ wide and 3/8″ high at the tallest point. The two dark brown "balls" are some of the excrement
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