- You Will Get 500 Seeds Of Irish Moss Perennial Ground Cover Sagina Flower Seeds. - Watering: Medium - Sunlight: Partial Shade - This is for 500 seeds they are Irish moss this is a great ground cover that is a hardy perennial. - This is a evergreen ground cover that grows well in zones 4-10 and gets about 2" tall and spreads to about 12" it does very well on rock walkways they like sun and part shade. - It has a white bloom color in spring and summer this does well in 4" pots for reselling. - These seeds you want to make sure you mist them because they can rot very easy. - They do take about a month to germinate they look good in 4" pots.