Soil in the ground stays cooler than containers because extra heat is routed to the surroundings and deeper soil.
Bob Morris
Bob Morris is a horticulture expert living in Las Vegas and professor emeritus for the University of Nevada. Visit his blog at xtremehorticulture.blogspot.com. Send questions to Extremehort@aol.com.
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.
Privacy shrubs should be tall enough to create the privacy needed but not much taller. Bigger shrubs need more water than smaller shrubs, and they need more maintenance as they get older.
For the most part, limes are harvested green. When limes are harvested too late, they are yellowish, pithy and no longer juicy and light in weight.
The bottle tree you are buying from the nursery — Brachychiton populneum — is not really a bottle tree at all. The true bottle tree (B. ruprestis) is very different from the nursery version because its trunk is truly shaped like a bottle. I
My experience with Mexican petunia is that it grows like a weed, and I consider it the broadleaf version of Bermuda grass, aka devil grass. If it’s contained in an area and prevented from spreading into the landscape, I think it will be OK.
The ground is still warm enough to plant. The magic number for landscape plant root growth is about 50 degrees.
Q: I am from San Miguel Community Garden, a nonprofit garden located near the North Las Vegas Airport. We are considering adding more grape plants to the garden. We have Flaming Red and Thompson grapes. You said you have grown many different varieties in the Las Vegas Valley, and I was wondering if you would share with me other varieties that were successful for you so we can explore them as well.
Can an old, neglected grapevine be revived? Horticulture expert Bob Morris answers that question and more.
Thank you for your support of my landscape design class beginning in July. The class size is limited, and the eight-week class I offered filled quickly.
Q: I’m composting in plastic trash cans with holes. It’s taking a very long time to make compost, despite adding carbon to my grass clippings and kitchen waste. I water and turn it every few days. What am I doing wrong?
I will be at the Home Improvement and Backyard Expo at the South Point on Sept. 16 and 17, from 11 a.m. until 2 p.m. I will be there to answer any questions you may have and to chat. I will stay longer if people have questions. Come and see me. I would love to talk with you.