Planting & Care Of Bulbs: Preparing SoilFall is the prime time for planting of hardy spring flowering bulbs. Bulbs and perennials need plenty of water and good drainage. If water has a tendency to stand in the planting area, you’ll want to break up hard sub-soil and put in a layer of drainage material such as coarse gravel, broken stone or sifted cinders below your surface soil.
Summer-blooming Dutch bulbs and perennials are not fussy about soil – provided it is not too heavy and sticky. If soil is heavy, loosen it with lots of humus, sand, gypsum, etc. If very light, add moisture holders – humus, peat mold, etc. If you have a soil with a high clay content, it can be improved by adding compost, peat moss or some other source of organic material. The organic material should be worked in the top twelve inches of soil (eighteen inches is even better).
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Planting and Care of Bulbs: Fertilization