Blooming from summer to frost, Maki’s 12-to-14-inch flowers have ruffled pink petals, marked with red to purple flecks.

Helianthus annuus, the common sunflower, brightens up gardens in USDA Hardiness Zones 2 through 11 with its sunny yellow petals. These fast growers love full sun and reach a height of 3 to 10 feet ...

Like most plants, begonias will give clues when it's time to deadhead or pinch off dead flowers. If you're not sure, here's ...