12 WATER HYACINTHS,POND BIOFILTER PLANTS,100% ORGANIC GROWN Some may be a little smaller or bigger than in pictures shown. The plants are healthy and will quickly generate new perfect plants. They are the fastest reproducing plants so never release into the wild. The plants will survive temps in the low 40s but thrive in temps in the mid 70s and higher. They are outstanding for lowering water temperatures, shading your water, fighting algae growth, and encouraging spawning of your fish. We ship in small boxes so the plants are less likely to crush each other and arrive safely. If you order more than one order they will likely arrive in multiple boxes. Free Expedited Shipping