Good Luck (Clover, Trifolium pratense) Good Luck wishes to brighten a windowsill or desk. While most plant clusters will have three leaves, you might be lucky enough to find a fourth to add to your luck. An easy to grow beautiful plant that will reach 6-8 inches in height. Includes: seed, growing medium, OMRI wood chips for drainage, directions. Bag 7" high x 6" wide.