Solar Sisters Rudbeckia™: A New Black-Eyed Susan Experience
Every once in a while, a plant stops you in your tracks because it does not look like what you expect it to be. That was my experience when I saw Bloomin’ Easy’s new Rudbeckia, Solar Sisters™ Black-eyed Susan, at this year’s California Spring Trials. At first glance, I thought I was looking at a Dahlia flower. The blooms were full, layered, colorful, and much more dimensional than the traditional black-eyed Susan most gardeners picture. When I found out it was a Rudbeckia, I could hardly believe it.
That is what makes this plant so interesting. Rudbeckia is already a familiar garden favorite, but Solar Sisters gives it a fresh, modern look while still keeping many of the practical qualities gardeners appreciate. It feels like a bridge between the dependable charm of a black-eyed Susan and the showier presence of a cut-flower favorite.
Rudbeckia, often called black-eyed Susan, is a North American native genus in the aster family. Many gardeners know it for its golden-yellow petals, dark central cone, long bloom season, and ability to bring pollinators into the garden. Traditional Rudbeckia varieties often have a daisy-like form, with petals radiating around a raised brown or black center. They are loved because they are cheerful, tough, easy to grow, and useful in sunny beds, borders, pollinator gardens, and naturalized plantings.
Solar Sisters changes the visual experience. According to Bloomin’ Easy, this variety produces double blooms that open in bright yellow with touches of orange, then deepen into richer copper tones as cooler nights arrive. The company lists it as blooming from summer through early fall, growing about 18 to 24 inches tall and 14 to 16 inches wide, with full sun exposure and spacing of 14 to 16 inches recommended. It is listed for Zones 7 to 9 and noted for being pollinator-friendly, drought-tolerant, deer-resistant, and native to North America through its Rudbeckia heritage.
What makes Solar Sisters different from a traditional Rudbeckia is its flower form and color movement. Instead of the simple single-petal look many gardeners associate with black-eyed Susans, this variety has a fuller, double-bloom appearance. That gives it the look of a small Dahlia or a highly decorative annual, but with the easygoing nature of Rudbeckia. The color shift is also part of the appeal. A plant that begins with sunny yellow and orange tones, then moves toward copper as the season cools, can add depth to the late-summer and fall garden.
Planting and Growing Requirements for Solar Sisters Rudbeckia
For best results, plant Solar Sisters in a sunny location where it receives at least six hours of direct sunlight each day. Rudbeckia performs best in full sun, and good light helps support strong stems, better flowering, and richer color. It can be used in garden beds, mixed borders, pollinator plantings, cottage gardens, and containers where a bold seasonal flower is needed.
Soil should be well-drained. Rudbeckia is not usually fussy, but like many garden plants, it does not appreciate sitting in soggy soil. If your soil is heavy clay, mixing in compost can help improve drainage and texture. In containers, use a quality potting mix and make sure the pot has drainage holes.
Water newly planted Rudbeckia regularly while it becomes established. Once settled in, Rudbeckia is generally considered fairly tolerant of dry conditions, but container-grown plants will need more consistent watering than those planted in the ground. During very hot or dry weather, check the soil before watering. The goal is evenly moist soil during establishment, then moderate watering as needed.
Solar Sisters should do well in warm summer conditions, especially with full sun and decent air circulation. In humid climates, spacing matters because crowded plants can be more prone to foliar problems. Give each plant room to breathe and avoid overhead watering late in the day when leaves may stay wet overnight.
Fertilizing should be simple. Too much fertilizer can encourage leafy growth at the expense of flowers, so a light application of a balanced, slow-release fertilizer at planting time is usually enough. If growing in containers, follow the fertilizer directions on the product label, since nutrients wash out of pots more quickly than garden beds.
Maintenance is straightforward. Deadheading spent blooms can keep the plant looking tidy and may encourage additional flowering. Removing damaged or diseased foliage also helps improve appearance and airflow. Toward the end of the season, gardeners can either tidy the plant or leave some spent flowers standing for seasonal interest.
Troubleshooting Common Issues
Rudbeckia is generally an easy plant, but it can occasionally run into common garden issues. Powdery mildew, leaf spots, aphids, and other minor pests may appear, especially when plants are crowded or stressed. The best prevention is good spacing, full sun, healthy soil, and watering at the base of the plant rather than over the leaves. If aphids appear, a strong spray of water is often enough to reduce them. For fungal issues, remove affected leaves and improve airflow.
One thing to keep in mind is that highly decorative double flowers may not always provide the same easy access to pollen and nectar as single-flowered forms. Solar Sisters is listed as pollinator-friendly by Bloomin’ Easy, but gardeners who are creating a pollinator-focused planting may want to pair it with single-flowered Rudbeckia, coneflowers, asters, mountain mint, bee balm, or other open-faced flowers to provide a broader range of resources.
Troubleshooting is mostly about watching for stress. If the plant is not blooming well, it may need more sun or less fertilizer. If the leaves wilt, check the soil before assuming it needs water; both drought and soggy soil can cause stress. If the plant looks crowded or develops leaf spots, improve spacing and remove affected foliage. If blooms fade or look tired, deadheading can help refresh the plant’s appearance.
Creative Uses in Landscaping
In the landscape, Solar Sisters could be a beautiful choice for late-summer color. Its warm yellow, orange, and copper tones would pair well with ornamental grasses, purple coneflowers, salvias, sedums, asters, and bronze or burgundy foliage. It could also be used in containers with trailing sweet potato vine, calibrachoa, or compact grasses for a warm seasonal display. Since the blooms have such a full, decorative look, this plant could also work well near patios, walkways, and entry gardens where people can appreciate it up close.
Solar Sisters is a reminder that familiar plants can still surprise us. Rudbeckia has long been loved for its cheerful flowers and reliable garden performance, but this variety brings a new level of drama and sophistication. It has the sunny personality of a black-eyed Susan with the layered beauty of a Dahlia-like bloom. For gardeners who enjoy plants that feel both familiar and unexpected, Solar Sisters may be one to watch.
Photo courtesy of Jill Mazur