Snow Mold

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These photos were from a customer site from Thursday, March 3rd. You can see snow mold in this photo where half the yard on the south side of the home was still covered in snow. This area was uncovered and green, but heavily marked with snow mold. Check out this fact sheet on snow mold from UMASS for further information.

-Lauren Greenhow, General Manager, GreenHow, Inc.
GreenHow.com. Effective Organic & Low Impact Solutions, Lawn Care, Pest Control & Termite Control in Newton and Metro Boston.

Late Blight on Tomatoes

Late Blight or Phytophthra infestans is best known for the devasting disease associated with the Irish Potato famine of the 1840′ and 50’s. UMASS sent out a tomato transplant alert last week regarding the presence of this fungal disease in plants sold in the northeast this year. Our wet weather conditions are perfect for late blight, which creates brown or blackened areas on stems with rings of white mold. Image from Cornell linked here. An organic treatment is to spray the plant with compost tea prior to symptoms showing. If symptoms appear, remove and discard the plants, do not compost the plants.
-Lauren Greenhow, General Manager, GreenHow, Inc.
www.GreenHow.com. Effective Organic & Low Impact Solutions, Lawn Care, Pest Control & Termite Control in Newton and Metro Boston.

Fungus

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Many Boston Area lawns have brown or yellow splotches and circles on them, after a week of mostly wet weather including rain days and cool nights in the upper 40’s and low 50’s. The suspects? Many customers rightly say the grass looks stressed or burned but they know water is not the issue. Other customers have said they suspects insects, but grubs probably haven’t caused that kind of damage yet, more toward July and August. In most cases we have inspected, the cause is fungus. There are many lawns with brown patch or yellow patch and red thread. Against intuition, these areas affected tend to be the sunnier parts of the lawn. The reason, according to Craig Heffron from John Deere Landscapes, the temperature in these areas is high enough to incubate the fungus. Cultural controls are critical for fungi, illustrating the importance of balanced lawn fertility, and proper maintenance practices.
-Lauren Greenhow, General Manager, GreenHow, Inc.
www.GreenHow.com. Effective Organic & Low Impact Solutions, Lawn Care, Pest Control & Termite Control in Newton and Metro Boston.