Q.cutting back the Helenium
How should I cut back the Helenium autumnale at the end of the flowering season? They are 3 feet tall and the flowers are spent. There isn’t any green at ground level. Do I cut them back to ground level or just deadhead and leave them tall?
Downtoearthdigs
Answered on August 31, 2015
Yes, you will want to cut back your plant not that it is done blooming.
Here is a link with more information.
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