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

Pests in the Urban Landscape

Powdery mildew loves your garden, too!

Powdery mildew on melon leaves

Seeing white powdery growth on leaves and shoots in your garden or landscape? It's probably a sign...

Powdery mildew, Sphaerotheca pannosa, on rose.
Powdery mildew, Sphaerotheca pannosa, on rose.

Powdery mildew, Sphaerotheca pannosa, on rose.

Posted on Thursday, July 10, 2014 at 4:43 PM
Tags: Pest Notes (54), powdery mildew (2)

Pruning and Tree Physiology: The Bad and The Ugly

A coast live oak (Quercus agrifolia) in the initial stages of decline from Armillaria root rot.

[From Dec 2013 issue of the UC IPM Green Bulletin newsletter] Pruning in Practice Pruning is...

Posted on Tuesday, July 8, 2014 at 12:22 PM
Tags: Lacan (2), pruning (4), tree (15)

Boxelder bugs can be nuisance pests

Boxelder bug adult and nymphs.

The western boxelder bug (Boisea rubrolineata) usually feed on the leaves, flowers, and seedpods of...

Posted on Wednesday, July 2, 2014 at 3:55 PM
Tags: boxelder (2), Pest Notes (54)

Mosquito Management for Ponds, Fountains, and Water Gardens

Figure 1. A well-managed water garden, such as this one, keeps mosquito numbers in check.

[From the June 2013 issue of the UC IPM Retail Nursery & Garden Center News] Many gardeners...

Posted on Thursday, June 26, 2014 at 4:22 PM
  • Author: Andrew Sutherland
Tags: fountain (1), mosquito (12), ponds (1)

Carpenter Bees: Mostly Beneficial

Male valley carpenter bee.

Have you seen large black or golden-brown bees foraging in your garden? These could be carpenter...

Posted on Monday, June 23, 2014 at 2:57 PM
Tags: carpenter bee (2), Pest Notes (54), pollinator (5)

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