It is no wonder so much of gardening is done on one’s knees; this practice of horticulture is a wildly humbling way to pass one’s days on earth. Even the root of the word humility comes from the soil (from the Latin humus, for earth or ground), and a good soil is rich in the partially decayed plant and animal material called humus.
* caragana, elderberry, and peonies
** Margaret Roach website - A WAY TO GARDEN
*** EXCERPTS from "and I shall have some peace there"