Show off your love of yellow on a new level—literally. Sunflowers can grow over 15 feet tall. And as you can imagine, they love a good, hot summer. Attractive to bees and birds, sunflowers shine ...

As an aside, let me say that royal poinciana (Delonix regia) is a tree with red-orange flowers that’s worth trying. I first saw it on a cruise that stopped at Ensenada in Baja California.

Fall foliage may be yellow, red, or pink. Cultivars include Colrigo Giant with 6-inch flowers and the yellow variegated ...

It is a popular tree in India, known for its beautiful yellow flowers and its use in traditional medicine. Amaltas is a moderate-sized tree, typically reaching 9-10 meters in height.