SunPatiens® Vigorous Tropical White Impatiens Plants bear mounds of tropical-like blossoms that blush a pastel pink as they age. SunPatiens® are resistant to Powdery Mildew, take full sun, heat and humidity-loving, tolerate extreme weather, are low-maintenance plants that self-clean and offer continuous blooms from spring through frost. Wow, what’s not to love!. Mature Size: 24″ x 36″. Full Sun (6+ Hours), Morning Sun Afternoon Shade.