How Soon Can You Fertilize New Grass?

If you are laying down sod, you can fertilize as soon as the sod is laid, but grass that comes from seed should be given six weeks before it's fertilized. Prevent the damage of a new lawn with help from a professional landscaper in this free video on grass fertilizing and lawn care.

Part of the Video Series: Lawn Care

Video Transcript

Hello Dan LeSieur, here with DK LeSieur Landscape Maintenance, Washougal, Washington. Been asked to talk to you folks about how soon can we fertilize new grass. Well, that's kind of two questions. It depends on are we seeding our grass. So, we're waiting for grass to come up or are we laying sod down. So, if we're laying sod down, you can fertilize as soon as you get it laid and if you're growing seed, you fertilize as you're putting it in, in about six weeks afterwards. So, you're fertilizing your new grass, sod, as soon as you put it in. So, we put this, say this was sod, we just put it down, we can fertilize and start watering and we're good to go. New grass as in seed, you're going to put the components into the soil, which is your fertilizer and mulch and all that good stuff and that will be your fertilizer. So, before you seed, basically, you have fertilizer and once it comes up, give it about six weeks, you want that chemical to break down a little bit before you put more on there. You don't want to damage your new perfect lawn you just put in.

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