The soil is then cultivated with a chisel plow and rototilled to create a fine seedbed. Dolomitic limestone should be added if the test results indicate very acidic soil. If the results indicate a lack of nutrients, fertilizer should be added during bed preparation. To eliminate competition from weeds and grasses until wildflowers are well established, beds are fumigated with methyl bromide or metam sodium. Soil is tilled lightly after the recommended waiting period to increase aeration.
Bioassays are the best determination of soil readiness.
Read and follow all label instructions. May. Seeds sown later than November will normally lie dormant and will not germinate until the following spring. Those species that are not winter hardy should be planted in the spring. The seed is thoroughly mixed with clean, coarse sand several times the seed s bulk for even distribution. Hydroseeders are used for larger areas, while hand seeders may be used for smaller areas.