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.
Easily grown in average, dry to medium, well-drained soil in full sun to part shade. Tolerates full shade. Prefers moist, humusy soils in part shade. Plant 12-18 apart to cover large areas. Vinca minor commonly know as vinca or periwinkle is one of the most popular and widely used ground covers. Trailing stems with smooth, evergreen leaves (to 1.5 long) root at the nodes as they go along the ground and quickly spread to form an attractive ground cover.