- You Will Get 400 Seeds Of Forget-Me-Not Perennial Myosotis, Blue Flower Seeds. - Perennial. - Blue. - 5 to 12 inches tall. - Sun to shade. - Hardy zones 5 to 9. - We have some of these growing on the north side of our house, and they are doing great in nearly complete shade! Produces beautiful flowers of blue. - Best in moist soil. Also reseeds readily. Very easy to grow, and transplants easily. - Comes with planting instructions.