There are three reasons why sago palms are yellowing: their location, needed soil amendments and improper watering.
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The Extension Botanic Gardens feature more than 1,500 species of plants, including many found nowhere else in the Las Vegas Valley.
Podocarpus or yew pine doesn’t like soil covered in rock. It is not a desert plant.
When making a spot that attracts butterflies, choose a warm location out of the wind. Choose flowers in yellow, orange, red and pinks that bloom in spring or fall when it is cooler, and plant them in large numbers.
If young trees are given a lot of nitrogen fertilizer then new growth will be pushed at the expense of flowering.
Roses are a good choice for our Las Vegas climate and soils if kept healthy. If they are not healthy, they suffer in intense sunlight, summer heat and soil problems.
It is important to select good varieties of vegetables to plant in the fall, and the publications by Dr. Sylvan Wittwer, formerly of Logandale, make some solid, old-fashioned varietal recommendations he has had success growing in this area.
Rock placed on top of the soil contributes to a soil problem, but wood chips won’t. Spraying the plants with iron fertilizer might be a temporary fix but not a long-term one.
I know readers will be asking why their lemon or grapefruit did not produce any fruit this year. They will say, “The tree grew great, but it didn’t produce any fruit.”
Q: Are eggshells good for your garden and should they be added to your compost? Conventional garden wisdom says yes, but I believe that we have too much calcium already in the soils here in Southern Nevada, so adding eggshells is not a good idea. What do you think?