Some lawns experienced disease problems that lingered after we had high humidity because of the rain. That change in our weather encouraged plant diseases to occur.
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If you are going to apply an iron fertilizer it should be in a chelated form. The best all-around chelate to use is a chelated iron fertilizer called EDDHA.
Agave weevil control is done from about the middle of April until the middle of May.
All desert plants including hopseed bush are prone to this disease if grown in moist soils or in low spots in desert landscapes that accumulate water.
A disease called fire blight might pop up in some pear and apple trees beginning around May. It can be common several weeks after spring rains, particularly if trees were flowering. It can lead to tree death if not controlled when it’s first seen.
My Saturday, four-week class, “Fix Your Landscape” will start Oct. 26 in North Las Vegas. This weekly landscaping class will show you design tricks that save water and electricity, plant selections that work, planting methods that are successful and how to fix problems, and irrigation installation and how to water.
Q: We’ve noticed leaf damage this year on our rose bushes and apple and pear trees. More than previous years. But, peach, apricot and pomegranate seem unaffected. Some of our roses were decimated. Any idea what pest causes this and how to control it?
Q: We have a nice size pool we must drain for maintenance. Is it safe to use the water for watering plants? We have a small lawn and some raised beds with vegetables.
Right now is the time to prune grapes. Prune citrus now if there has been damage from cold weather. If your citrus is young, prune it to tree form, removing side shoots to about the height of your knees. I delay pruning citrus and grapes until I am sure most of the cold weather has passed, which is mid- to late February.
Q: Do you prefer neem oil or horticultural oil when spraying fruit trees?