A female monarch lays its eggs (1) on a sprouted milkweed plant. The eggs hatch in four to five days producing tiny yellow, black and white banded larvae (caterpillars). These caterpillars (2) will feed solely on milkweed and eat enormous quantities because they are growing fast.
1 A single interior French door with multiple panes of glass typically costs $50 -$200 for a basic model, but can cost $ 200 -$1,000 or more, depending on size and style.
That said the average cost of garage door spring replacement is ââroughly $100 per spring. Keep in mind that while only one spring may have broken, springs are mounted in pairs; if one has broken the other may be close to doing so and should probably be replaced at the same time.