Heliopsis, also known as false sunflower, is a hardy perennial that thrives in poor, well-drained soil. These plants produce bright yellow, daisy-like flowers, blooming from mid-summer to fall.

False sunflower or oxeye sunflower may look like a true sunflower at first glance, but it’s a powerful perennial for containers thanks to its shorter height (3 to 5 feet) and golden blooms that ...