Tag: caterpillars

While the Gardener is Away…

On By durhammastergardenersIn Gardening information

While the gardener is away (and/or doing indoor projects while we’ve been inundated with rain)… pests will play!

I normally scout for pests two or three times per week (sometimes more), the downpours, mud, holiday, and a family trip kept me away from my veggies lately. When I stepped into the garden yesterday, I found that my brussels sprouts and kale had been overrun by caterpillars. This is a good reminder of why scouting regularly is important!

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There are many different caterpillars that attack plants in the cabbage family. My plants were full of cross striped cabbageworms, but cabbage loopers, diamond back moths, and imported cabbage worms can also be a problem. Check the undersides of leaves to find the caterpillars and eggs.

If you want to know which pests are eating your veggies, see these links:

eggs, small larvae, cross striped cabbageworm, pupae, moths

You can remove the insects by hand, but if you have a large infestation, chemical control may be required. Organic choices include Bt (Bacillus thuringiensis) and spinosad. Synthetic insecticides include the active ingredients permethrin, bifenthrin, cyfluthrin, or esfenvalerate. As with all chemicals, please read the label thoroughly before applying.

Source material: http://pender.ces.ncsu.edu/2010/09/controlling-cole-crop-pests/, www.ces.ncsu.edu

What’s Eating my Plant?

On By durhammastergardenersIn Gardening information

A few days ago, while I was watering the potted herbs on my desk, I spotted the following critters munching on some fennel.

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Most of the time, I’m not pleased to find caterpillars making a meal of my plants, but these are swallowtail caterpillars. In fact, I planted the fennel in the hope of feeding these guys. A few years ago, I enlarged a nearby flower garden, focusing on plants that attract butterflies. When I started seeing lots of swallowtails, I decided that I should feed the caterpillars as well as the adults.

Six days later, the 4 caterpillars had munched on quite a bit of my fennel plant, so I headed for the garden center to buy three more. I hope there’s enough food to keep them around until it’s time for metamorphosis.

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If you are interested in attracting butterflies to your yard, this website lists plants that provide food for caterpillars and nectar for the adult butterflies. http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/butterflies/butterfly_index.html