Black-eyed Susan – Definition & Detailed Explanation – Flower Glossary

I. What is a Black-eyed Susan?

Black-eyed Susan, also known as Rudbeckia hirta, is a popular perennial plant that belongs to the sunflower family. It is native to North America and is known for its bright yellow petals with a dark brown center, resembling an eye. The plant is named after the Native American folklore character “Black-eyed Susan,” who was known for her beautiful dark eyes.

Black-eyed Susans are commonly found in gardens, meadows, and along roadsides. They are easy to grow and are a favorite among gardeners due to their vibrant colors and ability to attract pollinators such as bees and butterflies.

II. What are the characteristics of Black-eyed Susans?

Black-eyed Susans are known for their striking appearance, with bright yellow petals and a dark brown center. They typically grow to a height of 1-3 feet and have a spread of 1-2 feet. The leaves of the plant are dark green and lance-shaped, with a slightly rough texture.

These plants bloom from mid-summer to early fall, producing daisy-like flowers that can last for several weeks. The flowers are attractive to pollinators and can add a pop of color to any garden or landscape.

III. Where are Black-eyed Susans typically found?

Black-eyed Susans are native to North America and can be found growing in a variety of habitats, including meadows, prairies, and along roadsides. They prefer full sun but can also tolerate partial shade. These plants are adaptable and can thrive in a wide range of soil types, as long as the soil is well-drained.

In gardens, Black-eyed Susans are often used in borders, mass plantings, or as a focal point in a flower bed. They can also be grown in containers or hanging baskets for a splash of color on a patio or balcony.

IV. How do you care for Black-eyed Susans?

Black-eyed Susans are low-maintenance plants that require minimal care once established. Here are some tips for caring for these beautiful flowers:

– Water: Black-eyed Susans prefer moist soil, especially during hot and dry periods. Water the plants regularly, especially during the first growing season. Once established, they are drought-tolerant and can withstand periods of dry weather.

– Fertilizer: Black-eyed Susans do not require much fertilizer. A light application of a balanced fertilizer in the spring can help promote healthy growth and blooming.

– Pruning: Deadhead the flowers regularly to encourage continuous blooming. Cut back the plants in the fall to promote new growth in the spring.

– Pests and diseases: Black-eyed Susans are relatively pest and disease-resistant. However, they can be susceptible to powdery mildew, especially in humid conditions. To prevent this, provide good air circulation around the plants and avoid overhead watering.

V. What are the different varieties of Black-eyed Susans?

There are several different varieties of Black-eyed Susans available, each with its unique characteristics and flower colors. Some popular varieties include:

– Rudbeckia hirta ‘Goldsturm’: This variety is known for its bright yellow flowers with a dark brown center. It is a compact plant that blooms profusely from mid-summer to fall.

– Rudbeckia fulgida ‘Viette’s Little Suzy’: This dwarf variety has golden-yellow flowers and a compact growth habit, making it ideal for small gardens or containers.

– Rudbeckia triloba: This variety has smaller flowers than other Black-eyed Susans and blooms in shades of yellow, orange, and red. It is a biennial plant that self-seeds readily.

– Rudbeckia subtomentosa ‘Henry Eilers’: This variety has unique quilled petals and blooms in late summer to fall. It is a tall plant that can reach heights of 4-5 feet.

VI. How do you propagate Black-eyed Susans?

Black-eyed Susans can be easily propagated through division or seed. Here are some tips for propagating these plants:

– Division: Divide mature plants in the spring or fall to create new plants. Dig up the plant and separate the clumps into smaller sections, making sure each section has roots attached. Replant the divisions in a well-prepared soil and water thoroughly.

– Seed: Collect seeds from mature plants in the fall and sow them in the spring. Scatter the seeds on the soil surface and lightly press them into the soil. Keep the soil moist until the seeds germinate, which usually takes 7-14 days. Thin out the seedlings once they have developed true leaves.

By following these tips, you can enjoy the beauty of Black-eyed Susans in your garden year after year. These versatile plants are sure to brighten up any landscape with their vibrant colors and attractive flowers.