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Black-Eyed Susan has remained an all time favorite perennial primarily because of its long lasting blooms. It can be depended upon to flower from mid July through to October. Flowers are bright gold, daisy-like, with brown centres, and about 2 inches in diameter. The plant has a compact growth habit remaining about 24 inches high. Leaves of Rudbeckia are green, coarse textured, soft, and about two inches long. When not in flower, Black-Eyed Susan is neither impressive nor offensive. The plant remains tidy and obedient until it explodes in colour. Black-Eyed Susan is the ideal perennial for gardeners who are frugal. The plant is not expensive to buy, and once established, can easily be divided to gain more to share with others or add to your own garden. If left on its own, Black-Eyed Susan spreads by its roots and becomes dense like a ground cover, practically choking out weeds and other competing perennial plants. Yet, in spite of its aggressiveness, it is not invasive. Black Eyed Susan will grow in almost any soil conditions. My home garden rarely gets water through summer and the Black–Eyed Susan shows no sign of stress due to dry conditions or excessive heat. In the landscape, use Black-Eyed Susan in clusters or waves, because it is most impressive when used in larger quantities. It is the ideal plant to use in commercial or institutional landscapes because it requires little maintenance and offers plenty of dramatic show. Drivers coming in to Sarnia via Highway 402 will notice a colourful showing of Black-Eyed Susan in the landscape at the Welcome to Sarnia sign just before the Airport Rd exit. When planting Black-Eyed Susan, add fertilizer to get the plant off to a healthy start. Use mulch to retain soil moisture so the roots can establish themselves quickly. Starter plants will not be showy when purchased and like most perennials, new plants will need a season of growth before they produce an abundance of colour. |
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