Q: We have lost a tremendous section of our garden. In researching, it appears fire blight disease is the problem. Our red-tip photinia was the first and, in a very short time, it looked as if someone had taken a flame thrower to the plants. Euonymus hedges, flowering pink hawthorn and some rose bushes are starting to show the same problem.
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Hot weather favors lawn diseases common here. Now is an optimum time for controlling lawn diseases before they in get into full swing. If your lawn had disease in the past, now is a good time to apply a fungicide. Fungicides are primarily preventive and work best when they are applied before the disease rears its ugly head.
Historically, the last frost date is March 15 in the Las Vegas Valley. Planting warm-season vegetables before this date, such as tomatoes, peppers and eggplant, can be a bit risky because of a chance for frost.