Once you are sure the area is weed-free the earth then needs to be raked to a fine tilth in order to receive the seed. Broadcast the seed widely and then roll or trample it in, it is not necessary to rake it over. Keep the area well-watered to prevent seed drying out. Autumn is generally the best time to sow the seed although you can also sow to no detriment up to the end of May.
Year 1 - some wildflowers will grow faster than others and annual weeds will appear. Regular mowing is essential to keep these weeds at bay. Give it a mow every time it reaches 4 - 5 ins (10 - 15 cm) high.
Year 2 onwards - cut the meadow in late July/August, mowing when most of the wildflowers have set seed. Mow again in autumn and then again in early spring.
Whenever you mow it is important to remove all clippings so that soil fertility is not enhanced. If your soil is quite fertile then you may find that you need to cut more often and into early summer, which will mean your meadow will flower later, when you would then cut in autumn and one or two spring cuts.
To speed up the flowering of your meadow or to make it look as though something is happening and it's not just bare soil (!), you could plant plugs and pot plants amongst the sowing. Another idea is to incorporate annual cornfield seed into the mix so that your meadow flowers in its first year. These cornfield annuals may self seed and a few could well appear the following year, adding a further injection of colour.
Another method of creating a meadow in an established grassy area is to grub out bare patches, sprinkle on some seed and then trample it in. When growing or sowing wildflowers in established grass it is a good idea to grub out bare patches and sow Yellow Rattle seeds. yellow Rattle is a grass parasite and will help to keep the rass under control and so prevent the wildflowers from being overwhelmed by the grass.
If you feel inclined to take a photo or two of your meadow, we would be very interested to see the result and details of any wildlife you have attracted!
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