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Bob Morris

Bob Morris

Bob Morris is a horticulture expert living in Las Vegas and professor emeritus for the University of Nevada. Visit his blog at xtremehorticulture.blogspot.com. Send questions to Extremehort@aol.com.

RO water safe for plants, just lacking salts

Question: Regarding using house water for plants: Is it safe to use reverse osmosis water as compared to tap water?

Lemon fruit drop can happen for variety of reasons

Question: Our Meyer lime is full of blooms. In previous years, it has yielded lots of fruit. However, last year, the blooms were abundant, but all of the bloom fell off, and we had a crop of one lime. What happened?

Pine tree sap around wounds signals healing

Question: A pine tree in my front yard appears to have had two open wounds for some time, judging by the amount of sap around them.

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Shape ash trees early on or face pruning pickle

Question: We have two fan Texas Ash trees that are 15 years old. They are spreading out too far. How far can we cut them back without killing them?

Bolster fig yield with a second tree

Question: I have a large fig tree that gives me small green figs, and that is all I get. I think the problem is not enough water, as you said. I also saw the picture of cuttings to grow another tree. Can I do that, or should I buy a second tree? What about pruning? Is this a good time?

Bird’s nest mushrooms benefit soil

I found some mystery pods in the garden when doing some clean up. One of the pods is closed, and the second is open and with what appears to be small black seeds. Any idea what this is?

Bean stalks bend in the cold due to stem rot

Question: I recently planted bean seeds in pots on my porch here in Las Vegas. However, after the bean stalks were half a foot tall, they bent over, turned dark and died.

Iron chelate bolsters leaves on lemon trees

Question: I have a small lemon tree growing in a large container. I now have many small lemons on it, which seem to be getting larger. My problem is that the leaves are a sickly, yellow color.

Pruning shade trees can cause future problems

Question: I have a modesto or Texas ash tree that was planted seven or eight years ago in my lawn. Do you think if I prune it back this winter that it would grow in to be fuller? If so, how much should I prune off?

Soil fungi good for plant root health

Question: What are your thoughts on mycorrhizae? I bought some a while back from T&J Enterprises out of Washington state, and the chiles seemed to do really well. Is it an aid or just my imagination?

Troublesome ground squirrel can dig up, eat tulips

Question: Yesterday, I found three deep, very round holes dug about 6 inches apart at the edge of my raised garden where I have had tulips planted for years. Dirt was kicked out, and baby tulip bulbs were scattered.

Eastern redbud has a hard time in the Western US

Question: I am sending you some pictures of my Eastern redbud tree. It has some problems, and I want to know how to correct these.

Eastern redbud has a hard time in the Western US

Question: I am sending you some pictures of my Eastern redbud tree. It has some problems, and I want to know how to correct these.

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