Botanically known as Rudbeckia hirta, the Black-eyed Susans are native to North America. Because of their beauty, they are found in many gardens throughout America. People sometimes confuse them with sunflowers and asters. They are also known as Gloriosa Daisy. These names of the flower have come because of its dark brown and purple centers. You could also find them enhancing the beauty of vases and bouquets.
Versatility is its specialty. It has the ability to grow in super hot, and drought-hit areas. The nectar, that it produces, attracts a variety of insects like butterflies, and bees.
An interesting fact about the Black-eyed Susan plants is that they are considered to be a symbol of justice. To grow this beautiful flower in your yard, you have to take care of a few things, and they are:
Optimal Conditions For Black Eyed Susans
Soil: Plant the seeds in loosely covered, well-drained, moist soil. It must have reached at least 70 degrees Fahrenheit so that the germination goes well. It grows well in a number of soil types, but clay and loam are the best ones. If the soil does not have good moisture retention, add some organic matter to improve the same. If everything goes right, the seed must not take less than 7 and more than 30 days to germinate. They don’t care about the pH of the soil, so that’s something you don’t have to worry about.
Light: Pick up a place for the Black-eyed Susans where they get quite a lot of sunshine. They also grow well in light or even bright shade. Sufficient light is necessary for these bright flowers to bloom and flush all through the year.
Spacing: They grow between 1 to 3 feet tall, and in some cases, they even grow much taller. It also spreads between 12 to 18 inches wide area. Owing to this reason, you must plant the seeds closer to each other. They need plenty of space and air to nourish and flourish.
Watering: In the beginning, the Black-eyed Susans need a lot of water to germinate and grow. This period is about one year, so water them enough for the first year of plantation. Once they are established, they have the capability to tolerate the drought conditions as well.
Fertilizing: During the growing period, the black-eyed Susans don’t require any additional fertilizers. It is, in fact, recommended that fertilizers must be used in minimum quantity so that the roots and stems of flower don’t get spoiled.
Diseases & Insects: One more great quality of the Black-eyed Susan plants is that they do not get infected by the insects quickly. They are quite resistant to the diseases. If, however, in an extreme case, you see something happening to them; spray some organic or chemical based insect repellent. You can also use a fungicide to cure the problem as well.
Companion Planting: When grown next to the asters, tall garden phlox, or ornamental grasses, the Black-eyed Susan plants add to the beauty of the flower bed. You must always go for the ones that do not spread as quickly as it does.