Avoid toxic sprays and chemical foggers that expose your family to harsh fumes. The secret most gardening experts won’t tell you is that nature has already created the perfect mosquito defense system, and it’s growing right under our noses. Here’s a jaw-dropping fact: Studies show that catnip is 10 times more effective at repelling mosquitoes … Read more
It is a painful irony that one of the very spectacular hardy shrubs is poisonous to most people. This is poison sumac, one of the most brilliant native plants of autumn. It possesses a generous amount of the same oil found in poison-ivy and its close relative, poison oak. Rhus Vernix The scientific name for … Read more
Japanese Beetles, like “the man who came to dinner,” stay too long and eat too much. They are the world’s greatest freeloaders for four to six weeks during the peak of the summer growing season. Since they were discovered near Riverton, New Jersey, in 1916, their range has gradually widened to include most of the … Read more
The bush bindweed (Convolvulus cneorum), a morning glory from the Mediterranean, is one of the best-loved small shrubs in Pacific Coast gardens. It is cherished for its wealth of bloom, which persists all through the hot summer and autumn months, and for its year-round graceful foliage. Do not confuse it with invasive bindweed species – … Read more
Nematodes, or microscopic eelworms, are rapidly assuming the role of Public Enemy Number One among the organisms that cause plant diseases. Last year, they seriously damaged one out of every ten acres of crops grown in the United States. California farmers lose between 200 and 300 million dollars annually because of nematodes. But farmers are … Read more
The name of this powerful insecticide is Ethion. This may surprise some gardeners, as this material first appeared 10 years ago to control mites. In the intervening years, it has been refined and made more powerful. Possibly the best part of this news is Ethion’s remarkably clear-cut and consistent results against those strains of chinch … Read more
Systemic insecticides may soon drastically change our present pest-control practices. These chemicals are absorbed either through the roots or leaves of actively growing plants in sufficient amounts to kill insects and related pests feeding on or breeding in them. They are effective even at considerable distances from the point where they are applied. They also … Read more
Last winter, I brought one of the frothy egg masses of the praying mantis into the greenhouse. Within three weeks, 100 wee mantes emerged from foam, each with an appetite larger than its body. One tackled a sowbug 20 times its size the day it was born. The brawl was intense, but the mantis won. … Read more
The development of systemic pesticides for commercial use is progressing rapidly. These are chemicals that can be absorbed by a plant and transported throughout its tissues in an active form. They are non-harmful to the plant and can provide long-lasting protection against invading organisms. This dream has become a reality, as a select few of … Read more
Garden pest control is never wholly monotonous. Spraying may be routine but there are always seasonal problems to keep us awake even in lazy August. By then, we have to cope with a few late summer enemies and second broods of some of the spring foes, as well as black spots and other all-season troubles. … Read more