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- Preen Weed and Grass Killer should be applied to the unwanted
plant when it is actively growing and the temperature is above
60 °F.
- Shake well before applying.
- When mixing Preen Weed and Grass Killer from concentrate, fill
the applicator container with water first then apply the concentrate.
This will prevent foaming of the product, which will occur if
the concentrate is in the applicator first
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- Hold the nozzle 2 to 6 inches above weeds and grasses.
- Thoroughly wet the foliage of the unwanted vegetation.
- To avoid spray drift, do not apply it on a windy day.
- Desirable plants and turfgrass should be shielded to prevent
harm from spray.
- If desirable plant is accidentally sprayed, rinse off immediately
with water.
- Weeds usually wilt within hours with complete kill in 1 to 2
weeks.
- Rain or watering 2 hours after application will not wash away
effectiveness.
- Delay mowing, tilling, or disturbing the treated vegetation
for at least seven days after application of this product for
best results. However, if the treated vegetation is not disturbed,
planting or transplanting of trees, flowers, shrubs, and bedding
plants may be done one day after application.
- Preen Weed & Grass Killer may be applied before planting
or transplanting of vegetables (garden crops), herbs, small fruits
and berries.
Planting Intervals:
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| Blackberry, blueberry, boysenberry, currant,
dewberry, elderberry, gooseberry, huckleberry, Loganberry,
olallieberry, red raspberry and black raspberry |
1 day |
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| Artichoke (Jerusalem), beans (all), beet
greens, broccoli, Brussel sprouts, cabbage (all), carrot,
cauliflower, celery, chard (Swiss), chicory, collards, endive,
horseradish, kale, kohlrabi, leek, lentil, lettuce, mustard
greens, okra, onion, rape greens, parsley, parsnip, potato,
radish, rhubarb, rutabaga, spinach, sweet potato, turnip and
yams |
1 day |
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| Corn, cucumber, eggplant, garlic, gourds,
melons (all), pea (all), pepper (all), pumpkin, squash (summer
and winter), tomatillo, tomato (by seed) and watercress |
3 days |
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| Tomatoes from transplants and all berries,
fruits, vegetables and herbs not on previous lists |
30 days |
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Harvest Intervals:
- Allow a minimum of 14 days between the last application of this
product and harvest of berries: blackberry, blueberry, boysenberry,
currant, dewberry, elderberry, gooseberry, huckleberry, Loganberry,
olallieberry, red raspberry and black raspberry.
For Brush Control:
- Cut back brush that is taller than 5 feet and then spray regrowth.
For Vine Control:
- If vines are growing up poles, fences, or tree trunks with mature
bark, cut vines to a height of 3 to 4 feet and spray vines thoroughly
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