Flowerpotful

“Why, lawks, Mrs. Jones!” said a woman of the lower type of lodging-house keeper, as she stood on the gravel walk and spoke to a middle-aged female on the lawn, whose clothes were as gaily coloured as a parrot’s, and who wore a Gampian bonnet trimmed with a flowerpotful of cabbage roses and a plume of ostrich feathers;

Source: wiktionary

The Prince of Monaco has offered his “Principality” to the Pope as a residence. It is very polite, yet it conveys no great amount of flattery to his Holiness to have this flowerpotful of land placed at his disposal.

Source: wiktionary

Yes, the quantity should be by measure. Thus two parts loam and half a part […] may be two barrow loads, two flowerpot[-]fuls, or two handfuls of loam, and half a barrow load, half a potful, or half a handful of sand.

Source: wiktionary

If you find liquid fertilizer more convenient—fish emulsion is a honey, except for the smell—you might like the Connecticut Extension Service mix. It calls for 1 bushel of peat moss, 1 bushel of perlite or vermiculite, 1 2-inch flowerpotful of limestone, 2 3-inch flowerpotfuls of rock phosphate, and a liquid fertilizer weekly according to the recommendations on the bottle (since this will vary according to which fertilizer you use).

Source: wiktionary