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Saturday, July 16, 2011

7/16/11 JAPANESE TREE LILAC, AND A MINER PROBLEM

JAPANESE TREE LILAC

BIRCH LEAF MINER

DITTO

DITTO

BEACH PEA
Saturday, 8:00 AM.  70 degrees, humidity 69%, wind NE, calm.  The sky is overcast with high gray cloud cover and it is quite hazy.  It is an “iffy” day but we will get a few chores accomplished.
    The Japanese tree lilacs, Syringia reticulata, are in full bloom, adding significant mid-summer color to our city streets and yards.  They make a bold statement with their creamy white-yellow flowers and are a bit hard to use in the landscape but they make a fine small street tree, hardy and trouble free.
    Paper birch trees are showing some leaf damage by birch leaf miner, a tiny grub that eats out the inside of leaves, leaving the paper thin upper and lower leaf surfaces intact.  They cause little real damage and trying to control them with a systemic insecticide is not usually worth the trouble. Leaf miners are a minor problem.
    The beach peas, although invasive in gardens, are beautiful when they bloom where they can spread naturally.

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