5
votes
2answers
327 views

How to grow Trailing Rosemary as a ground cover in very heavy clay?

I want to cover a large area that is on a steep slope with ground cover. There is absolutely no soil at all, it's all pure clay: hard rock when dry and soft when wet. I was thinking of putting a ...
5
votes
2answers
765 views

Is mulch or topsoil better for new lawn in clay soil?

We just built a new home and the back yard has quite a bit of clay in it. We are planning on seeding the yard in the next month (September). I'm trying to decide between topsoil (4-6 inches) or ...
6
votes
2answers
270 views

Is the “Paris Market” carrot a good variety for clay-rich soil?

I have tried growing carrots now and then, but they were always twisting around all of the rocks and squeezing through the clay, and I basically got a bad crop of strong flavored, tough carrots that ...
10
votes
3answers
772 views

Why is there concrete buried across my entire backyard?

As I was planting a few fruit trees last weekend, I discovered an odd and very annoying phenomenon. About 6" down from ground level, I ran across a 2" layer of really crumbly concrete/gravel mixture. ...
7
votes
4answers
6k views

How do I improve drainage vertically through clayey soil?

I live on a hill where the soil has lots of clay. My back garden has been terraced with small (1m) retaining walls. The net result is that we have several lawns / gardens with the following ...
8
votes
3answers
289 views

Improving extremely clayey soils

I live in North Carolina and the soil here has an extremely high clay content. I have used soil conditioner that consists of composted pine fines to amend the soil. It does an excellent job of ...
10
votes
2answers
202 views

What plants take easily to clay soils?

I live in central Scotland, which is a bit damp, and the soil in my garden, despite years of aerating, adding sand etc is still quite a thick clay soil. When it is sunny I get sun all day long, so ...
13
votes
3answers
706 views

How should I till topsoil into thick clay in small garden beds?

My house is in an area where the native earth is basically solid clay. This means that wet or dry, you can't dig with a shovel and get crumbling dirt — it always clumps together, unless you ...
22
votes
4answers
1k views

How do I work with soil that has a high clay content?

The clay content in my garden soil is rather high. Tilling it is a royal pain, especially if there is even the slightest hint of moisture in the soil. It just turns into big sticky clumps instead of ...