Shopping for a water softener: 1  Salt-based units need to have the salt replenished on a regular basis, usually at a cost of anywhere from $2-$15 a month depending on the cost of the salt ($3-$8 per 40-pound bag) and the amount of salt used by your system.
Milkweed is the common name for perennial, herbaceous plants of genus Asclepias, family Asclepiadaceae (from Greek physician Asclepius). One hundred species occur worldwide; 13 are native to Canada.
Tropical Milkweed for Butterflies. Asclepias curassavica is a Host Plant for two butterflies, the Monarch butterfly and the Queen butterfly. The Monarch butterfly can be found all around the US and into Canada. The Queen butterfly is found in Florida, our southwestern states, and down into Mexico.