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.
Plant Milkweed for Monarchs Monarchs cannot survive without milkweed. Monarch caterpillars need milkweed plants (Asclepias sp.) to grow and develop, and monarch butterflies need milkweed to lay their eggs. With shifting land management practices, we have lost much milkweed from the landscape.Please plant milkweed to support monarch populations, and their incredible migration!onarch caterpillars need milkweed plants (Asclepias sp.) to grow and develop, and monarch butterflies need milkweed to lay their eggs. With shifting land management practices, we have lost much milkweed from the landscape. Please plant milkweed to support monarch populations, and their incredible migration!