UC Master Gardeners, Santa Clara County, CA
University of California
UC Master Gardeners, Santa Clara County, CA

Pests in the Urban Landscape

The Good Side of Pruning

Fig. 2. Anthracnose on sycamore twigs.

In the December 2013 issue of the Green Bulletin, we looked at “Pruning and Tree Physiology:...

Posted on Thursday, August 28, 2014 at 10:46 AM
Tags: disease (28), pruning (4), tree care (1)

Managing Weeds Under Drought Conditions

Fig. 1. Some weeds thrive in drought conditions.

[From the August 2014 issue of the Green Bulletin, a newsletter for landscape and structural...

Posted on Tuesday, August 26, 2014 at 1:00 PM
Tags: drought (8), IPM (50), weed (10)

A Healthy Start Back to School

classroom

As summer is quickly coming to a close, and most kids have already headed back to school or will be...

Posted on Thursday, August 21, 2014 at 9:55 AM

What's that sticky mess under the hackberries?

Whitish wax and sticky honeydew from Asian woolly hackberry aphid on hackberry leaves.

The hackberry woolly aphid (Shivaphis celti), sometimes called Asian woolly hackberry aphid,...

Whitish wax and sticky honeydew from Asian woolly hackberry aphid on hackberry leaves.
Whitish wax and sticky honeydew from Asian woolly hackberry aphid on hackberry leaves.

Whitish wax and sticky honeydew from Asian woolly hackberry aphid on hackberry leaves. [Photo by J.K. Clark]

Posted on Friday, August 15, 2014 at 2:04 PM
Tags: aphid (4), hackberry (2), honeydew (7), Pest Notes (54)

Biological Control for Fungus Gnats

Figure 1. Fungus gnat adult trapped on yellow sticky trap. This fly is less than ¼ inch long.

[From the July 2014 issue of the UC IPM Retail Nursery & Garden Center News] Fungus gnats are...

Posted on Tuesday, August 12, 2014 at 3:30 PM
Tags: fungus gnat (2), Pest Notes (54)

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