Renewal pruning, cutting deep inside the shrub and removing larger wood, results in a flush of sucker growth from the remaining stubs that will be succulent and produce lots of leaves and flowers.
Bob Morris is a horticulture expert and professor emeritus of the University of Nevada, Las Vegas. Visit his blog at xtremehorticulture.blogspot.com.
Plums and pluots improve in flavor when they are kept on the tree longer and harvested closer to their mature date. These fruits are normally harvested from the end of July to the first or second week of August in our climate.
The Chinese pistache is a good choice in the desert as a general landscape, street or lawn tree. It grows to about 30 feet in height.
Lantanas are easy to grow and can add a variety of colors that attract wildlife including butterflies to home landscapes.
The active ingredient in Roundup and KnockOut is glyphosate. This active ingredient alone doesn’t produce any results for four to seven days after it is sprayed.
Q: I have just about reached my maximum frustration level with my 35 Italian cypresses. Between spraying them down weekly in the summer to keep the mites off and them not standing on their own without staking and guy wires for 2½ years, I am ready to give up. I am thinking about replacing them with 5-gallon dwarf golden arborvitae because they are smaller and easier to spray.
Cactuses, particularly agaves, are rotting and dying from damage by the agave weevil, which that lays its eggs at the base of agave leaves. As their young hatch from the eggs, they burrow into the stem of the agave and all through it, including the roots.
One easy way to tell the difference between a bay laurel and a Carolina cherry laurel is to crush the leaves and smell the herbal aroma. Bay laurel leaves have a pungent aroma. When you crush the leaves of Carolina cherry laurel, they have an aroma of maraschino cherries rather than herbal.
If you deploy pheromone traps in early May, the principal insect pest caught in the trap will be the peach twig borer. The peach twig borer causes wormy peach, nectarine and apricot.
Aphids are a big problem on new growth this time of year. Curling leaves is a spring indicator that aphids are present.
It is not uncommon for early apricots to set fruit first, followed shortly thereafter by leaf and shoot growth.