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| Please Note: these are tasks and timing for
Zone 4 gardeners |
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| Turf Care |
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MAY | JUNE | JULY | AUG |
| Apply one inch of water to lawn every week, if rainfall is inadequate |  |
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| Mow lawn at 1 - 3" height when warm weather starts | |
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| Apply Oftanol to control lawn grubs | |
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| Apply Lied's Lawn Food with preemergent weed killer | |
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| Tree, Shrub and Evergreen Care |
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MAY | JUNE | JULY | AUG |
| Prune all trees except oaks | |
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| Plant bareroot nursery stock if soil is workable | |
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| Plant potted and balled nursery stock | |
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| Feed trees, shrubs and evergreens with granular or water soluble fertilizer | |
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| Prune Deutzia, Forsythia, Mockorange, Lilac and Weigelia after they bloom | |
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| Prune Pine and Spruce during candling stage | |
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| Spray Birch trunks and branches (twice) with Dursban to discourage leaf miners and borers | |
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| Trim evergreen shrubs before first flush of growth | |
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| Trim evergreen shrubs after first flush of growth | |
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| Apply broadspectrum insecticide/fungicide to susceptible plants (Dursban and Captan for example, call for specific instructions) | |
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| Spray susceptible fruit and crab trees, after buds break, with Fertilome fruit tree spray to help reduce insects and disease (repeat every 1 weeks, la | |
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| Cover cherry trees with Ross netting to prevent birds from eating cherries | |
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| Apply Fruitone-N and Amidthin or Sevin to reduce undesirable fruit production on trees | |
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| Excellent time to dig and plant evergreen trees | |
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| Feed fruit trees with Fertilome Gardener's Special or water soluble high phosphorus fertilizer | |
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| Water newly planted trees and shrubs in rainfall is inadequate (<1" rain/week) | |
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| Water evergreens if rainfall is inadequate (1" rain/week) | |
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| Apply Dursban to spruce and fir to treat spruce gall aphid problems | |
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| Monitor vole activity in landscape | |
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| Flower, Bulb and Groundcover Care |
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MAY | JUNE | JULY | AUG |
| Plant tender annual flowers outdoors | |
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| Spray roses with Orthonex and Funginex every other week | |
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| Feed, water and maintain flower beds | |
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| Remove yellow/brown leaves on spring flowering bulbs | |
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| Plant potted perennials and roses | |
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| Fertilize perennials with Fertilome Gardener's Special | |
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| Divide spring and summer blooming perennials | |
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| Feed roses every other week with Fertilome Rose Food | |
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| Pinch mum terminals to increase plant fullness and fall blooms | |
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| Dig up poor performing spring bulbs and store in cool place (60 - 65 degrees F) until fall | |
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| Fertilize container gardens and baskets biweekly with Miracle Gro | |
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| Fertilize Rhododendrons and other acid loving plants with soil sulfur | |
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| Feed Vegetables and flowers biweekly with a water soluble, high phosphorus fertilizer | |
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| Plant mums & pansies and flowering kale, for seasonal fall color | |
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| Continue feeding annual flowers | |
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