I live in PA, Northeast, and have high grass that is mostly wet, I was wondering if I could just throw wildflower seeds out into the high grass and if they would grow.
Mr. Smarty Plants thinks there might be a few wildflowers that would make it from seeds sown in the high wet grass, but not many. First, in order for the seeds to germinate there must be good seed-to-soil contact. If you just throw them out in the grass, a lot of the seeds won't make it to the soil. Second, the seedlings of those that do manage to germinate will be shaded by the tall grass and will have to compete for sunlight and space. If you want to be successful with your wildflower sowing, you need to mow the tall grass before sowing the seeds. Smarty Plants also recommends that you read "Large Scale Wildflower Planting" in our How to Articles.
Here are a few recommendations for plants that will do well in moist soils in Pennsylvania:
Bluebonnets and wildflowers for Nashville TN March 10, 2009 - I have several packets individually of both bluebonnets and of wildflowers, and want to plant them on 2 hills that we have around our home. We live near Nashville, and aren't even sure if the bluebo... view the full question and answer
Moving Iris bulbs April 15, 2011 - I will be moving and want to take my Iris bulbs with me. Can I dig them up now that they are in flower? view the full question and answer
Blue vervain native to Indiana January 06, 2003 - I have a species I need to know if it is native to my area (southern Indiana) - Blue Vervain (Verbena hastata) view the full question and answer