Red Tropical Hibiscus TreeExotic Red Blooms in Almost Any Climate Why Red Tropical Hibiscus Trees? Tropical Hibiscus Tree brings bursts of dramatic blooms to your landscape from July to October. The flowers have red petals with deeper red centers that make beautiful centerpieces. This makes a vibrant patio tree that can grow anywhere in the country when potted in a container. For bigger blooms, cut the branches back by 1 3 in the late spring. Hummingbirds and butterflies flock