Picking seeds of plants that are native ... and that the last frost has already happened, per American Meadows. Whenever you ...

This helps ensure the growing medium isn't too rich for the wildflowers, which prefer nutrient-poorer soil. Fill the pot with your soil/compost mixture, to roughly within 2.5 centimetres of the top.

Other bulbs that are good in shady spots include wood anemone, winter aconite and alliums. Some wildflower seed mixes grow well under the shade of trees. Look for selections labelled as woodland or ...