August is the time to plant late-blooming perennials such as….

Helianthus, Helenium, Heliopsis, and Rudbeckia. They make great color displays in the fall landscape. It’s also the month to plant autumn-flowering crocus, sternbergia, colchicum, and other fall-flowering bulbs as soon as they become available at garden centers. Crocus and sternbergia need full sun. Colchicum can be planted in areas receiving light shade.