Question : Is this product safe to use around all types of plants?
Answer : Yes, it is safe for use around over 200 established flowers, vegetables, trees, and shrubs.
Question : How long does one application feed the plants and prevent weeds?
Answer : One application feeds your plants and prevents weeds for up to three months.
Question : Is an applicator scoop included with the product?
Answer : Yes, an applicator scoop is included.
Question : Does this ever expire?
Answer : I've used my bag so can't tell about the expiration date but I will say I have kept products of this sort for a couple of years and they have still been effective as long as they haven't gotten moisture in them.
Question : I'm not seeing a definitive answer does this kill vegetables ?
Answer : Hello! Preen Garden Weed Preventer plus Plant Food can safely be used with vegetables that are listed on the label. You will find that on the 'For Use On Vegetables' sections. Thank you!
Question : Can this be used over rock lawn
Answer : Very important! You must get rid of the weeds before using Preen and water in! Worked for me I love it!
Question : What chemicals are in Preen?
Answer : We would suggest contacting the manufacturer directly to verify.
Question : Is Preen safe for earth worms, insects & the birds that eat them?
Answer : Preen products do not contain neonicotinoids so they are non-toxic to birds, bees, worms, or caterpillars. Preen Weed Preventer products are watered to activate, transferring the active ingredients beneath the soil surface to form the weed seed barrier. They are also non-systemic, so the active ingredient is not absorbed by plant materials where insects may come in contact with the plant.
Question : we have a lot of weeds coming through bricks on patio. Can we dilute this with water and pour solution through brick openings ?
Answer : Thank you for your inquiry! Preen Garden Weed Preventer is not water soluble, therefore you will not be able to dilute it. You can sprinkle the granules in between your pavers and water in to activate.
Question : Does this prevent only seeds from sprouting, or will it also harm tubers and bulbs before they sprout?
Answer : Thank you for your inquiry! Preen Garden Weed Preventer Plus Plant Food is to be applied after your tubers and bulbs have emerged and are up out of the ground 2-3 inches.
Question : what does this product consider as an invasive weed?
Answer : Thank you for your inquiry, this product Preen Garden Weed Preventer Plus Plant Food will only prevent the 'label listed' weed seeds from germinating.
Question : Can this product be used in Florida?
Answer : Thank you for your inquiry! Yes Preen Garden Weed Preventer Plus Plant Food can be used in Florida at any time during the growing season. Apply to bare weed free soil around the label listed flowers, plants, trees, shrubs and vegetables. Any existing weeds need to be removed prior to applying, as this product is a weed preventer not a weed killer. It will only prevent its label listed weed seeds from germinating. Water in to activate and you can reapply every 9-12 weeks.
Question : Will this prevent Palm tree seedlings from germinating
Answer : 01/19/2021 I have planted new seeds that have done as expected, Don't have any experience with Palm trees but feel you would be OK. To use this product you have to repeat application for the clearing of weed prevention. So use one time and see if all works for you. Good luck. There are smaller amounts you can buy of the weed the preventer. wjc