Preen 16 lb. Garden Weed Preventer
Item # 102400599
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Grassland (franklin) TN
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Preen Garden Weed Preventer allows users to apply Preen to prevent weed seeds from germinating. Shake on bedding areas and water in to prevent weeds for up to 3 months. Use in flower, shrub and all bedding areas. All existing weeds and grasses must be removed prior to use.
For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.
- Guaranteed to stop weeds before they start for up to 3 months
- Safe for use around over 200 established flowers vegetables trees and shrubs as listed on the label
- Prevents new weeds from sprouting eliminating hand weeding
- Sprinkle around flowers vegetables trees and shrubs to control crabgrass chickweed and other common weeds
- Apply anytime spring summer or fall
- Applicator scoop included
- Made in USA
- Not for use on lawns
| Brand | Preen |
|---|---|
| Country of Origin | Made in USA |
| Active Ingredients | Trifluralin |
| Application Method | Granular |
| Area of Use | Trees, Plants and Garden |
| Compatible Seasons | Spring/Summer/Fall |
| Concentrated or Ready to Use | Ready to Use |
| Contact Or Systemic | Systemic |
| Coverage Area | 2,560 sq. ft. |
| Emergence | Pre-Emergent |
| Fertilizer Coverage Area Range | N/A |
| Form | Granules |
| Organic | No |
| Package Quantity | 1 |
| Package Size | 16 lb. |
| Product Height | 14.5 in. |
| Product Length | 12 in. |
| Product Weight | 16 lb. |
| Product Width | 7 in. |
| Warnings | See product label |
| Weed Killer Features | N/A |
| Weed Killer Longevity | 90 days |
| Weed Type | Pigweed, Barnyard Grass, Sandbur, Sprangletop, Henbit, Kochia, Purslane, Crabgrass, Florida Pusley, Lambsquarters, Goose Grass, Knotweed, Puncture Vine, Carpetweed, Cheat Grass, Annual Bluegrass, Foxtail, Witchgrass, Panicum, Chickweed |
| Manufacturer Part Number | 24-63872 |
Q: Can I apply this on top of mulch around exiting flowers after I’ve weeded my garden or do I have to remove the mulch first?
2 months ago- AI-generatedA: Yes, you can apply this product on top of mulch. After weeding your garden, sprinkle the granules over the mulch and water them in to activate the weed preventer. It is designed for use in flower and shrub bedding areas to stop new weeds from germinating.2 months agoHelpful?
Q: Is it harmful to pets?
2 months ago- AI-generatedA: Reviewers have noted that this product appears safe to use around pets. However, the manufacturer's instructions state that you should see the product label for specific warnings and ensure the granules are watered in to activate the preventer.2 months agoHelpful?
Q: Will this harm my existing vegetables? I have weeds coming up on my carrot row. Too many to hand pick.
2 years ago- A: Hi Trey, We recommend using this product around your vegetables: https://www.tractorsupply.com/tsc/product/preen-natural-vegetable-garden-weed-preventer-25-lb-24642202 years agoHelpful?
Q: How long should I wait before planting both plants and seeds in my garden after tilling the soil then applying preen and watering it in ?
5 years ago- A: Preen Garden Weed Preventer is meant to be applied to bare weed free soil and in gardens around the label listed flowers, plants, trees, shrubs and vegetables. This product is a weed prevener not a weed killer so any existing weeds would need to be removed prior to applhying. Watered in to activate, a gentle rain or 5-10 minute watering is sufficient. You can reapply every 9-12 weeks. Preen Garden Weed Preventer can be applied to gravel however we do advise that erratic weed growth can occur.5 years agoHelpful?
Q: Will this control broadleaf weeds to
7 years ago- A: Thank you for your inquiry! Preen Garden Weed Preventer will work to prevent the following label listed weeds: annual bluegrass (Poa annua) barnyardgrass (Echinochloa crus-galli) brome (Bromus spp.) carelessweed carpetweed (Mollugo verticillata) cheat grass (Bromus tectorum) chickweed (Stellaria media) Crabgrass (Digitaria sanguinalis) fall panicum (Panicum dichotomiflorum) Florida pusley (Richardia scabra) goosefoot goosegrass (Eleusine indica) guineagrass (Urochloa maxima) hare barley (Hordeum murinum ssp. leporinum) henbit (Lamium amplexicaule) Johnsongrass (Sorghum halepense) junglerice (Echinochloa colona) kochia (Kochia scoparia) lambsquarters (Chenopodium album) lovegrass (Eragrostis curvula) prostrate knotweed (Polygonum aviculare) puncturevine (Tribulus terrestris) purslane (Portulaca oleracea) rattail fescue (Vulpia myuros) Russian thistle (Salsola iberica) sandbur (Cenchrus spp.) signalgrass (Brachiaria spp.) southwestern cupgrass (Eriochloa acuminata) sprangletop (Leptochloa spp.) stinging nettle (Urtica dioica) stinkgrass (Eragrostis cilianensis) Texas panicum (Urochloa texana) wild cane (Sorghum bicolor) wild oat (Avena fatua) wildcane witchgrass (Panicum capillare) woolly cupgrass (Eriochloa villosa) yellow foxtail (Setaria glauca)7 years agoHelpful?
Q: what setting do i use to apply preen garden with a scotts rotory spreader?
7 years ago- A: Thank you for your inquiry! Preen Garden Weed Preventer is not meant to be applied with a spreader due to misapplication of the product and it could cause harm or damage to surrounding desirable plants. This product is meant to be applied around label listed flowers, plants, trees, shrubs and vegetables. It is never to be applied directly over top/on foliage.7 years agoHelpful?
Q: what vegatables is it safe to use around
7 years ago- A: Thank you for your inquiry! Preen Garden Weed Preventer can only be used around the vegetables listed in "For Use On Vegetables" section of the label. You can view the label of this product on our website at Preen.com7 years agoHelpful?
Q: Can this be used at the same time as laying grass seed? Or should the weed preventer be used before..after?
7 years ago- A: Thank you for your inquiry! Preen Garden Weed Preventer is only meant to be applied to bare soil and in gardens around the label listed flowers, plants trees, shrubs and vegetables. It cannot be used on grass/lawns as it could cause damage or injury.7 years agoHelpful?
Q: How do I apply? Do I spray with. Water. Is it good on gravel?Kiki
8 years ago- A: Thank you for your inquiry! Preen Garden Weed Preventer is meant to be applied to bare weed free soil and in gardens around the label listed flowers, plants, trees, shrubs and vegetables. This product is a weed prevener not a weed killer so any existing weeds would need to be removed prior to applhying. Watered in to activate, a gentle rain or 5-10 minute watering is sufficient. You can reapply every 9-12 weeks. Preen Garden Weed Preventer can be applied to gravel however we do advise that erratic weed growth can occur.8 years agoHelpful?
Q&As
Q: Can I apply this on top of mulch around exiting flowers after I’ve weeded my garden or do I have to remove the mulch first?
2 months ago- AI-generatedA: Yes, you can apply this product on top of mulch. After weeding your garden, sprinkle the granules over the mulch and water them in to activate the weed preventer. It is designed for use in flower and shrub bedding areas to stop new weeds from germinating.2 months agoHelpful?
Q: Is it harmful to pets?
2 months ago- AI-generatedA: Reviewers have noted that this product appears safe to use around pets. However, the manufacturer's instructions state that you should see the product label for specific warnings and ensure the granules are watered in to activate the preventer.2 months agoHelpful?
Q: Will this harm my existing vegetables? I have weeds coming up on my carrot row. Too many to hand pick.
2 years ago- A: Hi Trey, We recommend using this product around your vegetables: https://www.tractorsupply.com/tsc/product/preen-natural-vegetable-garden-weed-preventer-25-lb-24642202 years agoHelpful?
Q: How long should I wait before planting both plants and seeds in my garden after tilling the soil then applying preen and watering it in ?
5 years ago- A: Preen Garden Weed Preventer is meant to be applied to bare weed free soil and in gardens around the label listed flowers, plants, trees, shrubs and vegetables. This product is a weed prevener not a weed killer so any existing weeds would need to be removed prior to applhying. Watered in to activate, a gentle rain or 5-10 minute watering is sufficient. You can reapply every 9-12 weeks. Preen Garden Weed Preventer can be applied to gravel however we do advise that erratic weed growth can occur.5 years agoHelpful?
Q: Will this control broadleaf weeds to
7 years ago- A: Thank you for your inquiry! Preen Garden Weed Preventer will work to prevent the following label listed weeds: annual bluegrass (Poa annua) barnyardgrass (Echinochloa crus-galli) brome (Bromus spp.) carelessweed carpetweed (Mollugo verticillata) cheat grass (Bromus tectorum) chickweed (Stellaria media) Crabgrass (Digitaria sanguinalis) fall panicum (Panicum dichotomiflorum) Florida pusley (Richardia scabra) goosefoot goosegrass (Eleusine indica) guineagrass (Urochloa maxima) hare barley (Hordeum murinum ssp. leporinum) henbit (Lamium amplexicaule) Johnsongrass (Sorghum halepense) junglerice (Echinochloa colona) kochia (Kochia scoparia) lambsquarters (Chenopodium album) lovegrass (Eragrostis curvula) prostrate knotweed (Polygonum aviculare) puncturevine (Tribulus terrestris) purslane (Portulaca oleracea) rattail fescue (Vulpia myuros) Russian thistle (Salsola iberica) sandbur (Cenchrus spp.) signalgrass (Brachiaria spp.) southwestern cupgrass (Eriochloa acuminata) sprangletop (Leptochloa spp.) stinging nettle (Urtica dioica) stinkgrass (Eragrostis cilianensis) Texas panicum (Urochloa texana) wild cane (Sorghum bicolor) wild oat (Avena fatua) wildcane witchgrass (Panicum capillare) woolly cupgrass (Eriochloa villosa) yellow foxtail (Setaria glauca)7 years agoHelpful?
Q: what setting do i use to apply preen garden with a scotts rotory spreader?
7 years ago- A: Thank you for your inquiry! Preen Garden Weed Preventer is not meant to be applied with a spreader due to misapplication of the product and it could cause harm or damage to surrounding desirable plants. This product is meant to be applied around label listed flowers, plants, trees, shrubs and vegetables. It is never to be applied directly over top/on foliage.7 years agoHelpful?
Q: what vegatables is it safe to use around
7 years ago- A: Thank you for your inquiry! Preen Garden Weed Preventer can only be used around the vegetables listed in "For Use On Vegetables" section of the label. You can view the label of this product on our website at Preen.com7 years agoHelpful?
Q: Can this be used at the same time as laying grass seed? Or should the weed preventer be used before..after?
7 years ago- A: Thank you for your inquiry! Preen Garden Weed Preventer is only meant to be applied to bare soil and in gardens around the label listed flowers, plants trees, shrubs and vegetables. It cannot be used on grass/lawns as it could cause damage or injury.7 years agoHelpful?
Q: How do I apply? Do I spray with. Water. Is it good on gravel?Kiki
8 years ago- A: Thank you for your inquiry! Preen Garden Weed Preventer is meant to be applied to bare weed free soil and in gardens around the label listed flowers, plants, trees, shrubs and vegetables. This product is a weed prevener not a weed killer so any existing weeds would need to be removed prior to applhying. Watered in to activate, a gentle rain or 5-10 minute watering is sufficient. You can reapply every 9-12 weeks. Preen Garden Weed Preventer can be applied to gravel however we do advise that erratic weed growth can occur.8 years agoHelpful?
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- for weeding
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Preen kills myrtle
No, I do not recommend this product.

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Good product
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Great product
Yes, I recommend this product.

Originally posted on preen.com