Wax begonias are one of those easy-going summer annuals in the Pacific NW, tolerating sun or partial shade, is drought tolerant, and blooms all summer long. Forming dense mounds of succulent-like leaves about a foot tall and wide, this variety is perfect for borders, mass plantings, container planters and hanging baskets. 'Ambassador Rose' has bright pink blooms with yellow eyes, making them stand out against all that lush greenery.