Hi, we recently bought a home with a newly laid grass lawn in the backyard. We have been diligently watering it. However, the lawn is starting to develop brown patches. Please advice on how to combat this.
It sounds like the lawn has a fungus. You can apply a fungus spray to the lawn.
Here is more information:
https://www.gardeningknowhow.com/lawn-care/lgen/grass-fungus.htm
I accidentally sprinkled fertilizer on new seeded grass-- did I just kill it? If I did, how can I fix it?
Not necessarily. It may burn some of the new grass, and it may take a little longer to come up, but it can still fill out in time. You may reseed if you need to, once the grass starts to grow in.
https://www.gardeningknowhow.com/lawn-care/lgen/lawn-seeding-tips.htm
It seems very aggressive; what is it please? Really appreciate your help.
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It looks to be a species of Prunella. This is also called the self-heal plant. This article will help you to get rid of them:
https://www.gardeningknowhow.com/edible/herbs/self-heal/controlling-prunella-weeds.htm
The ground is heavy with clay, regularly becomes waterlogged with water sitting on the surface after heavy rain. I have attempted to dig it up as turfs and dispose of them, but the work is very hard going and I appear to be losing the battle. Do yo have any suggestions please. Umberto
Boiling water will kill just about anything off in the soil. Try this once or twice per day for a few days. You will also need to amend the soil to make it more favorable to other plants.
This article will help you to do that: https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/how-to-improve-clay-soil.htm
When I bought my house 4 years ago part of the lawn had fungi in in it. I had the lawn dug up and recovered in topsoil about four inches deep. It has been ok since then but I have just been away for two weeks and when I returned similar but larger mushroom type growths had sprung up in the same area. Can you identify them from the photograph and tell me a way of preventing them?
This article should help:
http://ipm.ucanr.edu/PMG/PESTNOTES/pn74100.html
My grass is dying and I'm finding these all over my yard I've tried multiple bug and grub killing products with no luck. What do I need to treat my yard with to correct this problem
Those are mollusks, snails. Here are ways to combat them:
https://www.gardeningknowhow.com/plant-problems/pests/insects/organic-snail-control.htm
I have 4 chickens on a suburban backyard. They free range around and deposit manure all over yard. In certain areas the soil is very dry on top (dusty & water runs off) and like clay underneath. Only one type of weed grows in these patches. What can I put on these patches to break up the clay but also make the dusty top soil hold more water?
This article should help:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/how-to-improve-clay-soil.htm