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Landscape, Nursery & Urban Forestry Program News

Gypsy Moths Active in Massachusetts

Tiny caterpillars are chewing leaves now and will grow through June.

Hort Notes: Does Your Blue Spruce Have the Blues? Blame Rhizosphaera Needle Cast
Diseased needles in the canopy of a Colorado blue spruce (P. pungens).

Rhizosphaera needle cast has become a major disease of Colorado blue spruce (Picea pungens), white spruce (P. glauca) and Oriental spruce (P. orientalis) in landscape settings.

Hort Notes: Massachusetts Prohibited Plants and Non-Invasive Alternatives

As plants need to be replaced this fall and in the coming year, it is important to understand that some plants are on the Massachusetts Prohibited Plants List.

Gypsy Moth: Now that We Have Survived the Largest Outbreak Since 1981, What’s Next?

Many areas suffered at the hands (or should we say mouthparts) of gypsy moth (Lymantria dispar) caterpillars this season in Massachusetts.

Dry, Dry, Dry... Resources for Landscapers

Some areas of Massachusetts have extensive rainfall deficits for 2016.

Hort Notes: Garden Retailers – Time to Feed Your Plants

Garden retailers are reminded that annual flowering plants waiting for sale may need to be fertilized.

Hort Notes: Beware of Sour Mulch

The effect of sour mulch on plants can be very rapid; symptoms can appear within 24 hours.