1 decade ago. Selective lawn weedkillers should not be used on newly sown lawns earlier than six months after germination. More. This will allow the new seed time to develop roots Mow newly seeded areas at approximately 3” high from the first 4-6 weeks after the seeds have germinated – This means mowing a little higher than usual. ... How long before I can use my newly seeded lawn? Update here on my lawn renovation as we've had far too much rain for my newly seeded lawn. How bad is it to walk on newly seeded lawn to water? ... of the turfgrass stands. For a spring sowing, I recommend waiting 8-12 weeks before walking on the grass. In fact, it just might be helpful, in holding the warmth of the soil in (which is the primary reason that Autumn lawn planting is more successful than Springtime planting; the ground is still warm enough to give germinating seeds a good start). Growing a thick, robust lawn takes time, dedication and weeks of close attention. The newly seeded areas must be kept constantly moist for weeks. It will help keep the newly seeded lawn moist and provides additional nutrients which promote germination. Don’t cut it too short and do not remove more than 1/3 of the grass height in a single mowing. Walking on it in this condition will leave serious depressions and cause compaction. FuzzeWuzze Posts: 819 Joined: Fri Aug 25, 2017 5:41 … Without frequent watering, the new seed will not germinate as quickly or as uniformly; allowing weeds and/or old grasses to potentially re-establish themselves in the lawn. This way my lawn is ready for an organic nitrogen treatment in the spring to green up beautifully. I love to grind leaves in to established grass, but have found mulch-mowing alot of leaves on newly seeded grass seems to do more harm than good. When Should I Fertilize My Lawn After Seeding? Ok, I have a few questions about my newly seeded lawn. A light sprinkling of the lawn is OK to cool it down in hotter, drier weather. Sometimes, despite the most thorough seedbed preparation, weeds can lay dormant in soil until the conditions are made perfect for them to make an appearance – such as a reseed. Allowing the soil to dry out even for an hour during the critical germination phase can result in seedling death. I hope this helps, and don’t hesitate to ask any further … I reseeded my lawn a month ago and have seen little results. Some soil types will get spongy, especially newly seeded topsoil. Whether you've seeded bare spots or a whole lawn, hold off on mowing the area until the new grass has reached mowing height. A: You sound like me when I call my horticulture specialist friends in Athens with an inquiry I fear is elementary to them. Our town currently has a water ban, so only hand watering is allowed. Then, water at least once a day until the seed starts to germinate. Leave your newly seeded lawn for at least two weeks, and longer if possible, before you attempt to mow it. How long do I have to wait before spraying tenacity on the weeds growing in newly seeded areas? Your question is one many lawn planters are pondering these days. Reasons to Wait It is very important that you always follow label guidelines with whatever product you choose to apply, including when you apply grub killers to new lawns . If overseeding an existing lawn, cut the grass low and remove the clipping before seeding. Water immediately after seeding. Maintaining a 2 or 3 inch height is critical; do not cut the grass lower than this range because invading weeds and heat stress invite pathogens and pests into the newly seeded lawn. Growing a thick and lush lawn that will be the envy of your neighborhood isn’t as complicated as it may seem. Tweet. Ensure to remove all the clippings after you have mown your lawn - if you leave them on a newly seeded lawn, you could be contributing to thatch which would undo all your hard work. We tilled and planted grass seed 10 days ago and noticed it starting to grow and come up 2 days ago. Greg's Lawn Journal. Post by gregfromohio » Wed Aug 14, 2019 11:30 pm. When your new grass starts to grow, it can be quite alarming when weeds start to grow with it. Now that your grass has been seeded and you have your new regular fertilizer, how soon should you use it? As much as you might want to encourage growth and hurry the process along as quickly as possible, it’s best to wait before re-fertilizing your new grass. Lightly spray the seed for three to four weeks to keep it moist. Discontinue watering for one day before mowing to let the lawn dry out. Don't apply too much water at once or pooling will wash away the seed. This is over an existing lawn and did exactly as it stated. Mowing Newly Seeded Grass. Taking care of it is incredibly important if you want it to grow well. Generally you would not need anything heavier unless you have an ornamental or croquet lawn. Use this guide! when is it OK to treat a newly seeded lawn for some minor broad leaf infestation.? February 18, 2016 Advertisement. This is because the seeds need to come in contact … Transitioning a newly seeded lawn to a well-established one isn't difficult, but it will take some diligence when it comes to watering and preventing traffic on tender, germinating seeds. Favorite Answer. Trying to correct a yard full of deep footprints is not a chore you want to attempt. Do not apply fertilizer to the lawn yet. So, … Answer Save. Lv 4. Water the lawn to encourage fast germination, so you can walk on it sooner. Save Pin FB. This is a simple and cheap way of ensuring that you can water a new lawn sufficiently while avoiding standing on recently laid turf. 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