Can I cut back Rudbeckia?
Pruning Rudbeckia It is best to cut Rudbeckia plants back to the ground shortly before new shoots appear in spring, from about March onwards. This is because the seed-rich flowers serve as a source of food for numerous birds throughout the winter. Rudbeckia hirta ‘Autumn Colors’ To 28″ tall ( compact ) with enormous flowers up to 5″ across. They come in a profusion from mid summer to early autumn. This strain has a natural life span of 3-5 years – but it does re-sow itself in open and opportune places.
What do I do with Rudbeckia after flowering?
What should you do with rudbeckia after flowering? Once perennial rudbeckias’ flowers have faded, you don’t need to cut them back. Their central cones are long-lasting and look good if left in place during winter to be decorated by frost or a light dusting of snow. Birds like to feed on the seedheads, too. Rudbeckias grow well in full sun. They will flower okay in light shade, but the shadier the location the less they will flower.