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.
Common Milkweed is an important plant because so many species of insects depend on it. Monarch Butterflies, Milkwee Bugs, and Milkweed Leaf Beetles only eat milkweed, and could not survive without it. Many other species of insects use milkweed as their primary food source, or as a major food source.Common Milkweed grows up to six feet tall. It has large, broad leaves, usually four to ten inches long.onarch Butterflies, Milkwee Bugs, and Milkweed Leaf Beetles only eat milkweed, and could not survive without it. Many other species of insects use milkweed as their primary food source, or as a major food source.