When should you cut back black eyed susans? How do you grow black eyed susans in the fall? Do black eyed susans wilt? · we spoke with experts to learn how to prune black - eyed susans , and care tips to keep them thriving during the fall season. While it’s not mandatory to prune for winter, it eases spring clean-up. Understand the optimal approach to pruning for enhanced blooms, sustained plant health, and vigor. · cultivate thriving black - eyed susans. Discover the best techniques to keep these cheerful flowers thriving. · learn when to prune black - eyed susans for the best flowering results. How do you prune a black eyed susan? As your black - eyed susan grows, provide it with a support structure such as a trellis, fence, or arbor. To control its growth and improve air circulation, you can prune the central stems. · fall is the optimal time to cut back black - eyed susans , reducing them to 4-6 inches above ground, removing spent flowers and damaged foliage. · black - eyed susans thrive with a little know-how and gardeners’ intuition. This guide covers the best time to prune , ideal tools to use, and tips for successful pruning of this popular garden flower. Let me walk you through the specifics of getting the most out of these resilient beauties, from soil prep to the final snip. This will allow more light to reach the inner part of the plant and help prevent overcrowding. · learn how to prune black - eyed susans for better blooms and healthy growth.