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  1. RSS Feed - Washington State University Blog

    Yellowjackets! Ouch!

    Yellowjackets and paper wasps may become aroused and attack in defense of their nest when disturbed and can be pests when they build a nest on or near your house. Nests of most species are placed underground in rodent burrows or other soil cavities and colonies attain maximum size in August and...
  2. RSS Feed - Washington State University Blog

    Sick looking Cedars?

    Have you noticed the western red cedars in your neighborhood showing lots of brown fronds lately? In most cases, these trees are not really suffering from some horrible tree disease or pest but simply shedding their old foliage. This annual phenomenon is called “cedar flagging” and is much more...
  3. RSS Feed - Washington State University Blog

    Do cedar mulches kill other plants?

    Many living, growing woody plants contain allelopathic chemicals, which can prevent seeds from germinating or kill young seedlings. Most compounds have no effect upon established plants. Cedars (Thuja spp.) have not been found to have this ability. Even Juglans nigra (black walnut), the best...
  4. RSS Feed - Washington State University Blog

    Fall Garden Tips: Time to Plant Garlic

    In the Northwest, garlic is planted as cloves in the fall. Garlic requires full sun (at least 6 hours per day). It is best started by direct sowing seed garlic that can be purchased through some garden centers, catalogs, and online websites. Certified seed garlic has been grown specifically for...
  5. RSS Feed - Washington State University Blog

    Harvesting Winter Squash

    Winter squashes are harvested fully mature when the skins feel hard and waxy. In autumn, there is no hurry to harvest winter squashes unless excessively cold or wet weather is approaching. Pick winter squashes with stems attached. Cure in a warm, dry place and store at room temperature. Under...
  6. RSS Feed - Washington State University Blog

    Will woody mulch acidify my soils?

    In field situations it is difficult to significantly alter soil pH without the addition of chemicals. Temporary changes in pH may be found in the decomposing mulch layer itself, but these have little effect on underlying soils. Significant changes in soil pH can only occur after decades or...
  7. RSS Feed - Washington State University Blog

    PEST WATCH: Brown Marmorated Stink Bug

    The brown marmorated stink bug (BMSB) causes damage to agricultural crops and is an annoyance to homeowners. Beginning in September, BMSB adults aggregate in large masses often on the sides of homes and other buildings. They enter structures to avoid cold weather. While stink bugs are not known...
  8. RSS Feed - Washington State University Blog

    Protect Your Young Apple Trees from Renegade Rabbits

    If you have seen cute little bunny rabbits romping in your young orchard over the summer, don’t be surprised if you start seeing damage to your young fruit trees. Rabbits nip off the tops and gouge the bark of stems in winter. During winter, rabbits and hares remove “chips” of bark and wood from...


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