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Pruning Maximilian Sunflower, alias Prairie Sunflower, alias Helianthus maximiliani (or maximilianii #115868

Asked February 28, 2013, 10:15 AM EST

Should the Maximilian Sunflower, alias Prairie Sunflower, alias Helianthus maximiliani (or maximilianii), be pruned to the ground prior to spring?

County Colorado

Expert Response

Yes, cut stems down to ground level anytime from Thanksgiving - end March.

An Ask Extension Expert Replied February 28, 2013, 11:35 AM EST

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This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

Pruning Maximilian Sunflower, alias Prairie Sunflower, alias Helianthus maximiliani (or maximilianii #115868

Expert Response

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