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Local Las Vegas Valley breaking news from Nevada's most reliable source. Read about the latest updates happening in your region at Las Vegas Review-Journal.

Pruning oleander tree is only temporary fix

There is such a thing as root-to-shoot ratio. What that means is that the top of the oleander tree returns to its pre-pruning height as quickly as possible. It’s because of the size of the roots.

Citrus can have problems growing in the desert

This is the Mojave Desert. Las Vegas and the high or middle deserts can have cold winters, unexpected early spring frosts and winds. Depending on the type of citrus, fruit trees can survive cold temperatures ranging from the mid to low 20s all the way to no freeze at all.

House, landscape create microclimate in yard

As soon as a house is built, the microclimate of its landscape is created. The landscape enhances this created microclimate. How the landscape is created can enhance or distract from this microclimate.

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Deciduous trees, shrubs drop leaves in cold temperatures

Most leaf drop of deciduous trees and shrubs occurs by mid-December. Some plants will start dropping leaves as early as the second week of November while others drop leaves later. But of course, much of that depends on the weather and tree health.

Renewal pruning will reinvigorate hibiscus

Renewal pruning, cutting deep inside the shrub and removing larger wood, results in a flush of sucker growth from the remaining stubs that will be succulent and produce lots of leaves and flowers.

Some trees will grow back after being cut near to ground

I have fruit tree pruning classes at 1 p.m. Fridays and 9 a.m. Saturdays during the month of December at Ahern Orchard in downtown Las Vegas. Class size is limited so you must enroll on Eventbrite or contact me.

Heat, borers plague landscapes over summer

Two major problems occurred to landscape plants and fruit trees these past few weeks during the summer. First was the heat. They were stressed. High temperatures seemed to linger longer than normal. In addition, minimum nighttime temperatures stayed elevated well into the 90s for more days than I remember in the past.

Higher priced potting soils are worth added expense

Q: Please settle a disagreement between my wife and me. Each spring my wife plants several plants in pots for our patio using bagged potting soil. Each year a few of them die and others live. This happened two years in a row. I contend the potting soils need to have some real dirt mixed in with it to make them better.

Underwatering, overwatering can cause leaves to wilt

Q: I’m curious if there is any reason other than drought or overwatering that would cause my donut peach growing in a container to wilt within 24 hours? I pruned the dead branches off and touched very little of the live wood.

Move plants when temperature permits

For those who would like quality roses, Plant World Nursery on West Charleston Boulevard has brought in Weeks roses. These are high quality roses. They will cost more than roses produced for mass merchandisers but they are high quality. For a recommended rose for the desert, visit my blog and search for “best roses for the desert.”

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.