Vinca Seeds - Pacifica XP Series98 105 days. Pacifica XP seeds easily grow into convenient, tidy, and low maintenance vincas bursting with unique, over lapping 2" blooms. Pacifica XP vincas thrive in diverse climates ranging from the arid and dry to the wet and sweltering. Pacifica XP seeds mature into tight compacts ideal for indoor decorative planters, pots, or hanging baskets. Pacifica XP vinca seeds in your garden guarantee to attract butterflies and other essential pollinators