Preen Vegetable Garden Weed Preventer
Description
Enjoy a weed-free vegetable garden without all the work. Preen Vegetable Garden Weed Preventer is the organic way to keep weeds from sprouting!
Use the organic weed control in your fruit, vegetable, herb, and landscape beds anytime during the growing season to save time from back-breaking weeding. Preen Vegetable Garden Weed Preventer is formulated to control some of toughest weeds, like clover, bluegrass, crabgrass, foxtail, lambsquarters and plantain. Because it's 100% organic, you don't have to worry.
Just sprinkle around established vegetables, herbs, and fruits once a month to prevent weeds from returning to your garden. Children and pets can play in the area immediately after application.
Application
How to Apply
Sprinkle Preen Vegetable Garden Weed Preventer evenly over the entire soil surface, at the rate of 5 lbs. per 250 sq. ft. If you choose, you can use twice the recommended rate for even better control with no fear of burning your plants. Rake lightly into the soil then immediately water the top
1 – 2 inches of soil to activate the product.
Afterwards, do not water for at least 2 – 3 days. If excessive rain occurs, reapplication may be necessary.
When to Apply
Apply Preen Vegetable Garden Weed Preventer anytime during the growing season around established vegetables, herbs, and fruits. Since this product does not kill existing weeds, you must first remove any that have already begun to grow. By applying Preen Vegetable Garden Weed Preventer as early as possible, you can eliminate the need for hand weeding. Reapply every 4 – 6 weeks.
Since Preen Vegetable Garden Weed Preventer only inhibits sprouting seeds, it can be used with confidence around established plants. However, do not apply on newly seeded areas. When your vegetable sprouts have true leaves and are 2 – 3 inches tall, it is safe to apply this product even up to the day of harvest.
This is not the product label. Always read and follow directions on the product label. Use only as directed.
FAQ
- Coupons
- General Product Questions
- Proper Use
- Staining
- Storage & Safety
- Use with Mulch
- Use with Seeds and Young Plants
- Where to Apply Preen
- Where to Buy Preen
Coupons
- Do you offer coupons, rebates, etc?
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We, as the manufacturer of Preen, do not offer any coupons or rebates. However, very often our retailers or mass merchants offer their own special sale price, coupons or rebates. Local flyers, newspaper inserts and media advertising can alert you to these offers.
General Product Questions
- What is the ingredient in Organic Preen® Vegetable Garden Weed Preventer?
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100% Corn Gluten Meal.
- What weed seeds does Preen Garden Weed Preventer prevent from germinating?
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See our list of weeds controlled or the product label.
- How long does Organic Preen® Vegetable Garden Weed Preventer prevent its label listed weed seeds from germinating?
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Up to 4 – 6 weeks per application. Reapplication may be necessary sooner if heavy rains occur.
- How long does Organic Preen® Vegetable Garden Weed Preventer last in the soil?
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Approximately 4 – 6 weeks per application. The rate at which Organic Preen® Vegetable Garden Weed Preventer biodegrades in the soil and loses its effectiveness will depend on temperature, soil type, rain/moisture, sunlight and amount applied.
- What weeds does Organic Preen® Vegetable Garden Weed Preventer kill?
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None. Organic Preen® Vegetable Garden Weed Preventer helps to prevent its label listed weed seeds from germinating up to 4 – 6 weeks per application. It does not kill or damage existing weeds in any way.
- What does “established plant” mean on the Organic Preen® Vegetable Garden Weed Preventer label?
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The term “established plant” refers to flowers, trees and shrubs at least 3″ in height, not recently transplanted and having a strong root system. An established groundcover is one not recently planted and that has spread or filled in to your satisfaction.
- What are the particles on the soil surface after I watered Organic Preen® Vegetable Garden Weed Preventer?
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Corn gluten meal granules, which will disintegrate with time.
- How does Organic Preen® Vegetable Garden Weed Preventer work?
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For 4 – 6 weeks per application, the corn gluten meal in Organic Preen® Vegetable Garden Weed Preventer helps to inhibit seed sprouting and/or root development of the label listed weed seeds.
- Will rain wash Organic Preen® Vegetable Garden Weed Preventer away?
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No, but reapplication may be necessary sooner if heavy rains or excess watering has occurred.
- Why is the Organic Preen® Vegetable Garden Weed Preventer container not full?
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Preen Garden Weed Preventer packages are filled according to weight, not volume. Your unopened container will weigh as stated or slightly more.
Proper Use
- When do I apply Organic Preen® Vegetable Garden Weed Preventer?
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Anytime in the growing season when the ground temperature is at least 50–55 degrees Fahrenheit.
- Do I have to weed first before applying Organic Preen® Vegetable Garden Weed Preventer?
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Yes; since Organic Preen® Vegetable Garden Weed Preventer does not kill existing weeds, you must first eradicate/remove them. Note that Organic Preen® Vegetable Garden Weed Preventer will not control weeds that are tilled under.
- When do I reapply Organic Preen® Vegetable Garden Weed Preventer?
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Reapply every 4 – 6 weeks in the growing season for continued label listed weed seed prevention.
- Can Organic Preen® Vegetable Garden Weed Preventer be applied when plant foliage is wet?
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No; plant injury could result.
- Must Organic Preen® Vegetable Garden Weed Preventer be watered in?
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Yes; Organic Preen® Vegetable Garden Weed Preventer will not start to work until rain or watering occurs. If watering is not an option, time your application with rain. Lightly rake Preen Garden Weed Preventer into the soil surface to protect it from sunlight until rain occurs.
- What happens if rain or water does not immediately occur after application?
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Organic Preen® Vegetable Garden Weed Preventer will not start to work until rain or watering occurs.
- Can I walk on a Organic Preen® Vegetable Garden Weed Preventer treated area?
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Avoid walking on a treated area; any disturbance will result in erratic weed prevention.
- How much Organic Preen® Vegetable Garden Weed Preventer do I apply?
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Apply minimum 5 pounds of Organic Preen® Vegetable Garden Weed Preventer per 250 square feet, or apply up to 10 pounds per 250 square feet for better control with no fear of burning your plants.
- Can Organic Preen® Vegetable Garden Weed Preventer be applied on plant foliage or plant roots?
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Organic Preen® Vegetable Garden Weed Preventer is not labeled for application on plant foliage or plant roots.
- What do I do if Organic Preen® Vegetable Garden Weed Preventer accidentally got on plant foliage during application?
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Before watering, immediately dry-brush Organic Preen® Vegetable Garden Weed Preventer gently off plant foliage.
- How do you use Organic Preen® Vegetable Garden Weed Preventer with established flowers, shrubs, trees, groundcovers, and vegetables?
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Remove existing weeds and weed roots. Then, apply Organic Preen® Vegetable Garden Weed Preventer and water or rake thoroughly.
- Does Organic Preen® Vegetable Garden Weed Preventer control weeds that are tilled under?
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No; weeds that are not completely removed will emerge again.
- Do I apply Organic Preen® Vegetable Garden Weed Preventer by hand?
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No; apply with either the refillable shaker canister, the scoop included in some Organic Preen® Vegetable Garden Weed Preventer packaging, your garden scoop, or a make shift applicator.
- Can I mix Organic Preen® Vegetable Garden Weed Preventer with water before application?
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No; Organic Preen® Vegetable Garden Weed Preventer does not dilute in water and the product would not work.
- What happens if Organic Preen® Vegetable Garden Weed Preventer was over-applied?
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You can use up to twice the recommended rate with no fear of burning your plants. Higher rates may result in plant injury.
Staining
- Can Organic Preen® Vegetable Garden Weed Preventer stain?
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Yes; Organic Preen® Vegetable Garden Weed Preventer can stain porous surfaces such as concrete, rocks, bricks, landscape blocks, shoes, leather, linoleum, etc.
- How do I prevent staining?
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Before watering Organic Preen® Vegetable Garden Weed Preventer, dry brush stray granules off non target surfaces. Store Organic Preen® Vegetable Garden Weed Preventer packages in a garage or shed on top of cardboard or newspaper.
- How can I try to get rid of a Organic Preen® Vegetable Garden Weed Preventer stain?
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Try Goo Gone® or another citrus-based cleaning product to lessen the appearance of or remove a stain. Always test a small area first to ensure the product won't cause additional staining.
For porous surfaces: Use equal parts soapy water and bleach, or a paste of baking soda and water, or ultraviolet light/sunlight, or a citrus-based cleaner, or 409 carpet foaming spray cleaner. Always follow manufacturer's directions.
For non-porous, uncoated surfaces: Use acetone or an acetone based nail polish remover.
Storage & Safety
- What do I do if I need emergency medical information for Organic Preen® Vegetable Garden Weed Preventer?
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Immediately call Prosar Corporation toll-free at (888) 208-1368 and/or 911.
- When can people and pets enter an area that was treated with Organic Preen® Vegetable Garden Weed Preventer?
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They may enter the treated area immediately after application.
- How do I dispose of Preen Garden Weed Preventer or its empty container?
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Call your local municipality to inquire on proper product disposal and/or package recycling, or call 1-800-CLEANUP. If not recyclable and container is empty, place empty container in trash.
- Does Organic Preen® Vegetable Garden Weed Preventer expire?
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No; Organic Preen® Vegetable Garden Weed Preventer has an indefinite shelf-life as long as it's sheltered from moisture and sunlight.
- Can Organic Preen® Vegetable Garden Weed Preventer be stored for next year?
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Yes. Store in a dry place away from sunlight and moisture, atop a piece of cardboard or an old newspaper.
Use with Mulch
- Can Organic Preen® Vegetable Garden Weed Preventer be applied on top of mulch?
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Yes. After removing existing weeds and weed roots, rake the mulch to loosen it, and ensure the mulch is 2″ – 3″ thick. Then, apply Organic Preen® Vegetable Garden Weed Preventer.
- Can I apply Preen Garden Weed Preventer before mulching?
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Yes, after removing existing weeds and weed roots. Then, apply Organic Preen® Vegetable Garden Weed Preventer and water thoroughly.
Use with Seeds and Young Plants
- Will flower seeds or grass seed germinate with Organic Preen® Vegetable Garden Weed Preventer?
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Flower seeds or grass seed will not germinate or reseed while Organic Preen® Vegetable Garden Weed Preventer is active, up to 6 weeks per application.
- When can I sow seeds or transplant plants after an application of Organic Preen® Vegetable Garden Weed Preventer?
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Six weeks from when Organic Preen® Vegetable Garden Weed Preventer was applied.
Where to Apply Preen
- Can I use Organic Preen® Vegetable Garden Weed Preventer on my lawn or with grass seed or sod?
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Organic Preen® Vegetable Garden Weed Preventer is not labeled for use on lawns, sod, or with grass seed.
- Can I use Organic Preen® Vegetable Garden Weed Preventer in or near a pond, lake, or other type of waterway?
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No.
- Can I use Organic Preen® Vegetable Garden Weed Preventer around, under, or near a swimming pool, sandbox, playground type areas, under bird feeders, etc.?
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No.
- Can I use Organic Preen® Vegetable Garden Weed Preventer in or near a greenhouse or any type of enclosed area?
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No; staining could occur.
- Can I use Organic Preen® Vegetable Garden Weed Preventer where chickens, horses, or livestock roam?
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No.
- Can I use Organic Preen® Vegetable Garden Weed Preventer on a garden slope or hillside?
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Yes, if a waterway is not at the bottom of the slope/hillside.
- Can I use Organic Preen® Vegetable Garden Weed Preventer with a non-vegetable plant?
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Yes, as long as the plant is established and is at least 2″– 3″ tall.
- Can Organic Preen® Vegetable Garden Weed Preventer be used in potted plants or planter boxes?
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Organic Preen® Vegetable Garden Weed Preventer is not labeled for use in closed containers; will injure plants.
- Can I apply between bricks or patio blocks, on pebbles or on other hard surfaces?
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No; Organic Preen® Vegetable Garden Weed Preventer will stain porous surfaces such as brick, patio blocks, stones, etc.
- What plants are recommended with Organic Preen® Vegetable Garden Weed Preventer?
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See our plant compatibility tool or the product label.
Where to Buy Preen
- Is Organic Preen® Vegetable Garden Weed Preventer available outside the United States?
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No; Organic Preen® Vegetable Garden Weed Preventer is not available or registered outside of the United States.
- Can I order Organic Preen® Vegetable Garden Weed Preventer on your website?
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No, but the product is available at most home and garden centers. Use our store locator to find a retailer near you.
Weeds Controlled
- annual bluegrass (Poa annua)
- Bermudagrass (Cynodon)
- black medic (Medicago lupulina)
- black nightshade (Solanum ptychanthum)
- buckhorn plantain (Plantago lanceolata)
- catchweed bedstraw (Galium aparine)
- clover
- creeping bentgrass (Agrostis stolonifera)
- curly dock (Rumex crispus)
- dandelion (Taraxacum officinale)
- giant foxtail (Setaria faberi)
- green foxtail (Setaria viridis)
- lambsquarters (Chenopodium album)
- large crabgrass (Digitaria sanguinalis)
- orchardgrass (Dactylis glomerata)
- purslane (Portulaca oleracea)
- redroot pigweed (Amaranthus retroflexus)
- smooth crabgrass (Digitaria ischaemum)
- wild cane (Sorghum bicolor)
- woolly cupgrass (Eriochloa villosa)
- yellow foxtail (Setaria glauca)
