Xtremehorticulture of the Desert

Q. I purchased dwarf oleanders two years ago in five gallon containers. They are doing fine but are about four feet high. It is my underst...

Q.My euonymus plants are dying. These are all plants that have been in the ground 8-10 years. Now, they are getting a white spot on their ...

Q. I have a dwarf orange tree planted a little over a year ago. There have been no oranges on the tree. I have fertilized and I think I...

Q. Having had several somewhat expensive repairs because of root damage to my sprinkler system, I am wonder if you have any suggestions fo...

Q. I have two pink dwarf oleanders planted in 18 inch clay pots which are healthy looking but very few blossoms. One of my “expert” friend...

Q. Will my eggplant plant continue to produce through the fall and winter? Thai purple eggplant A. They are warm season vegetab...

Q. What does a lawn need In November or December? A. You didn’t tell me what kind of lawn you have so I will assume it is tall fescue o...

Q. Should I cut my grapes back now or wait until spring? A. I don’t like to finish pruning my grapes until about March 1. This is becau...

Q. Are there are any plants I need to prune or trim down before the frost comes to the Las Vegas valley this year?   I noticed that oleande...

Q. Some of my California Wonder bell peppers are turning half black instead of red. Otherwise, they seem fine. It seems it happens the mos...

Q. Two of my Indian hawthorn bushes developed unhealthy looking brown spots on their leaves. It started on the southernmost of the two bush...

You can download my two presentations, and the presentation notes, on salts and salinity problems in landscapes that I presented at the Des...

These trees are native to Australia. We have been planting Australian bottle trees here in the Las Vegas Valley since the 1980's. Doug...

This past week I made a 20 minute presentation to the Southern Nevada Arborists Group (SNAG) on establishing the architecture on fruit tree...

Q. How do I unplug drip emitters that are plugged? A. Drip emitters can get plugged from salt accumulation and debris. Never cut irri...

Q. We are ripping out an old, dead lemon tree and would love to plant my potted dwarf citrus trees in its place about a foot from the gar...

Q. This season our Lantana has done poorly. For each plant we dig up there appears a bunch of grubs. What's going on? A.  I was ale...

Q. Two of my Italian Cypress trees died so I am replacing them. What size do you suggest I buy and how to I prepare the area prior to plan...

Q. What do think the problem would be with my three gopher plants? They seem to be getting enough water. Gopher plant collapsing durin...

Q. Are there any do’s and don’ts you can give regarding covering plants to protect them from the winter weather here in Las Vegas. I have ...