Plants originally coming from a desert are watered less often than those that don’t come from deserts. This is because desert plants have methods of surviving a longer time between irrigations.
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.
There are three reasons why sago palms are yellowing: their location, needed soil amendments and improper watering.
The SNWA offers a list of water-smart trees that are supposed to use less water than other types. But they still need to be managed.
Iron shortages in plants are notorious for yellow foliage. Try applying an iron chelate to the soil when growth is first starting.
Bayer Garden Products tells us, when treating for grape bunch diseases, that about half of the improvement is due to better air circulation and the other half using a copper-based fungicide.
A fertilizer high in the middle number — phosphorus — should be fine for jasmine.
There are two types of cracking of tomatoes, longitudinal cracks and radial cracking. Radial cracking is mostly a varietal issue.
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.
Wet spring weather is still causing havoc on tomatoes now and will affect grapes as we enter July and August.
Double-potting plants exposed to the sun is recommended for two reasons: The heat kills roots in the side of the container facing the sun and smaller pots blow over in the wind.
Diseases are ready to spread any time the weather has been wet. Sometimes these diseases happen soon after it rains and sometimes months later.
Anything in flower is subject to fruit loss in Las Vegas all through January, February and the first two weeks of March.
Palm trees do not get borers or sunburned trunks. Borer damage doesn’t happen much probably because they are monocots.
Most tubers require about three months to fully mature and get some size, but you can start harvesting anytime after you see lots of flowers.
Many types of cacti have spines on the paddles to protect them from chewing-type predators like jackrabbits and desert cottontails. But insects can burrow in just under the skin.
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