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.
6. Water the periwinkle plants to a depth of 2 inches immediately after planting them. Run the water onto the soil at ground level rather than watering from overhead since moisture on the foliage creates ideal conditions for a fungal infection called vinca stem blight (Phomopsis livella). 1  Dig This.