Mr. Spain said cactuses do like humus-rich soil though.

Being rain forest dwellers they are typically found in humus-rich soil.

Plants require conditions of moderate humidity and light, together with a wet, humus-rich soil.

Grow in fertile, humus-rich well-drained soil and full sun or light dappled shade.

It prefers to grow near streams in humus-rich soil under the shade of deciduous trees.

They do well in most soils, but moist, humus-rich soil is preferable.

They require a frost-free climate, humus-rich soil, and plenty of water.

They are grown in shade, with moist, well-drained, humus-rich soils.

Most tiarellas are plants for humus-rich soil in shade or semi-shade.

Like most trilliums, it prefers moist, humus-rich soil in shade.