Once income has been verified, use the following to determine qualifying quarters: If the year is: Credit 1 quarter for at least this amount. Credit 2 quarters for at least this amount. Credit 3 quarters for at least this amount. Credit 4 quarters for at least this amount.
Making the world better, one answer at a time. Periwinkles reproduce annually with internal fertilization of egg capsules that are then shed directly into the sea. The female periwinkle lay 10,000 to 100,000 eggs. Periwinkles reproduce annually with internal fertilization of egg capsules that are then shed directly into the sea. The female periwinkle lay 10,000 to 100,000 eggs.
The reason everyone with a deer problem desperately need annual Vinca/Periwinkle is that (1) deer will not touch them, (2) the plants do well in semi-shade or full-sun, and (3) many colors are available and the plants will bloom profusely until the first hard frost after planting in June.--- 6 months of beauty!!.