Spinosad: a New Option for Control of Lily Leaf Beetles

…en the earth-friendly ones. At first, I tried neem, a relatively harmless spray that does wonders on aphids and controls blackspot on roses. It worked to control the larvae the first year, but I had to spray frequently (every 10 to 15 days). The second year, I couldn’t keep the larvae under control. My lily crop was hit hard, and I got few blooms. Last year, I decided to resort to a systemic called imidacloprid. The results were instantaneo…

Got Lily Beetles? Share the Larvae

Lily leaf beetle larvae, left, and the beetle form. Gardeners in the Northeast are getting to know the lily leaf beetle, a destructive pest that attacks Asiatic and Oriental lilies — as well as similar species. One of the best hopes for control at this point is a parasitic insect, which has been released in Rhode Island, Massachusetts, New Hampshire and Maine. To test the effectiveness of the releases, the University of Rhode Island is exami…

Leaf Season

We try to take a day at some point during the fall to shred leaves, the key ingredient for something called leaf mold. We bring all the leaves we have and, if necessary, flag down a few folks going to the drop-off site with their leaves. The Leaf Bagging Helper is a simple device that makes bagging easy. Slide this plastic chute into a standard 30-gal. paper yard waste bag to hold the bag upright and open; lay the bag on the ground and you…

Craving Leaf Mold

…d only in the front of the beds where it will be seen. The fine texture and dark brown color really sets off the plants, it doesn’t rob nitrogen from the soil, and it packs tightly enough to stifle most weeds. But after 20 years of buying cocoa mulch, I have found something even better: leaf mold. It has the same fine texture and dark brown color. It packs tightly when moist and improves the soil—probably even more so than the cocoa mulch….

Gold Leaf Soft Touch Gloves

Gold Leaf Gardening Gloves Earn Royal Approval

…ming. A presentation of the gloves at the Chelsea Flower Show netted the company a merit award and caught the eye of the RHS. “After initially introducing our products for sale to the public, at the RHS Garden Wisley in 2004, we were asked to supply our gloves to the RHS gardeners,” Cooney says. As a result of their overwhelmingly positive reaction — particularly to the gloves’ dexterity, durability and comfort — the RHS approached Cooney a…

Leaf Shredding is Fun

…afety glasses. The shredder is loud, and debris can come flying out of the hopper. Long pants and long sleeves are a good idea, too. Once you’re all suited up, let the destruction begin! The shredder fits nicely over a 30-gallon garbage can, or you can collect the shreds in a tubtrug. I found that you can’t dump great globs of leaves into the hopper because it gets bogged down. The best approach: Pour the leaves in slowly right f…

Beetle-Proof Cucumbers

Here in our Intervale display gardens the Insect Pop Up Nets have been a big success. The cucumber beetles have been shut out. Two cucumber trellises in a raised bed, covered with a tall Insect Pop Up Net. Between the two rows of cucumber plants is a row of fernleaf dill (the kind of dill that’s grown for its foliage rather than its seedheads). The net will come off as soon as the plants begin to flower. By then, I hope, most of the b…

This Year, Avoid Late Blight

Like many who lost tomato plants to late blight last year, I’m wondering: How can I make sure it doesn’t happen again this year? Plant a diversity of tomato varieties to reduce the possibility of disease. Like many gardeners who lost their tomato crop to late blight last year, I’m wondering: How can I make sure it doesn’t happen again this year? Unfortunately, there’s no silver bullet. The most important thin…

1 Million People Want to Know

…mal DNA. Many Americans are concerned about the negative effects of GMO use on the agricultural economy and small-scale and organic farming. Surveys show a wide majority of Americans support mandatory labeling. At least 21 countries and the European Union have established some form of mandatory labeling. Mandatory labeling will allow consumers to identify food products they want to avoid. So why not label? Well, here are some of the argu…

Shredded Leaves Insulate

…le hours before dark on a chilly November afternoon, I decided to see how fast I could get the leaves cleaned up, get the tender plants insulated, and lay in a stash of some leaves for mulching next spring. I spent the first 20 minutes raking leaves out of the shrubs and corners where they’d lodged over the past couple weeks. I then put the bagger attachment on my lawn mower, roared over to those piles of leaves and ran over them. After being mo…