The best time to plant winter-hardy trees and shrubs is during the fall, from around the end of September through mid-November.
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.
The cycad, aka sago palm, is considered an ancient representative of its kind and has changed very little over the millennia. It is, like pine trees, a true gymnosperms.
Pepper plant size depends on the variety. The recent trend in vegetable transplant hybridizing for home gardens is for closer spacing and early production.
Kurapia was started from the native plant, Lippia nodiflora, native to the tropical and subtropical areas of South America and the United States. That calls into question its tolerance to extreme desert temperatures and low humidity.
When it is young, a bottletree needs about 20 to 30 gallons each time it is watered. But the soil shouldn’t be continuously wet six days a week. The roots need a chance to breathe.
I have had some reports of poor fruit production with Gala grown in the desert, but I have not found that to be true.
There are natural products that you can apply for controlling grubs of June beetles, including insect-devouring — but plant-friendly — nematodes.
Rose of Sharon is a hardy and fun deciduous shrub for our climate. It’s considered mesic in its water use and not meant for desert landscapes.
Desert climates are notoriously low in humidity, particularly as the day gets warmer, so we enjoy fewer plant diseases and worry about them less than in places with humidity.
Weed control is the No. 1 pest problem for farmers. Pests include insects, diseases and weeds, not just insects.
Dormant oil sprays are applied on warm, windless days during the winter to trees and shrubs after they are pruned. That’s when insects susceptible to these sprays are most vulnerable.
Pollen alert. That’s what we see on our advisories in the early spring. Pollen season might last until May. Right now we’re in mulberry season.
Why doesn’t my Meyer lemon tree produce any fruit? I was reminded of this question when I estimated the fruit production this year in a Las Vegas orchard.
The difference between Southwestern desert plants and other types of plants used for landscaping is the timing, or when the water is applied.
There are many plants to choose from when landscaping your home. But which will perform best in Las Vegas? How and where should they be grown in your yard?
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