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.
Twelve Native Milkweeds for Monarchs. The monarch butterfly population in North America has plummeted by over 90% in just the last 20 years. Destruction of Americaâs grasslands ecosystems, commercial agricultural practices and even conventional gardening have all contributed to the precipitous decline of this iconic species.