The plants have specialized roots for living in heavy wet soils.

It is especially valuable in heavy soils because of its deep rooting.

The soil, deep and black, heavy with richness, a land that had never known a plow.

To regain consciousness beneath hot, heavy soil and know that death had not brought rest.

Often found in the heavier soils, up to 50 cm tall.

Moisture is vital and a heavy soil provides a good basis.

You wouldn't need to haul a lot of heavy soil up there, either.

Moist heavy soil is not suitable, and likely to cause its death, especially in severe cold.

This variety is not quite hardy, particularly in heavy wet soil.

It is useful for grazing on heavy and damp soil.