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Bob Morris

Gardening columnist

Bob Morris is a horticulture expert and professor emeritus of the University of Nevada, Las Vegas. Visit his blog at xtremehorticulture.blogspot.com.

The Latest
Bay laurel trees struggle with hot temperatures

Q: Our sweet bay laurel trees face east and are watered by a drip irrigation system on a separate line for trees only. Obviously, these trees are not doing well. They were originally 24-inch boxed trees planted in 2013. Our HOA contends they are close to the end of their lives, and they will be removed. Any ideas?

Strong wind in spring can damage young leaves

Strong winds are particularly damaging in the spring when leaves are new and tender. Strong winds equal increased water lost by plants. The sudden death of leaves right after strong winds signals a need for water.

Fruit trees that flower early produce fruit early

Generally, the varieties of fruit trees that flower earliest produce the earliest fruit. If there is a frost while the flowers are open, it will produce less fruit or maybe no fruit at all.

Time running out to apply iron fertilizers to soil

We are nearing the end of any soil applications of iron fertilizers that work. Once early spring through early summer has passed, the only thing that cures leaf yellowing is the leaf sprays applied directly to yellowing leaves.

No sunlight causes Canary Island palm fronds to die

Canary Island palm trees have a big head that produces heavy shade so it’s possible that the lower fronds may die due to a lack of light. If the lower fronds are dying, the palm tree needs to be pruned.