How To Deadhead Yellow Yarrow. Leave Yarrow standing over the winter. This encourages most varieties to produce another round of flowers.
Jan 04 2017 To tell the truth I hate headheading. Remove the old flowers as they become brown and unattractive. When you deadhead a flower you put your index and thumb together with the dead bloom between those two fingers.
From there you gently pluck the flower away from the stem.
This encourages most varieties to produce another round of flowers. Leave Yarrow standing over the winter. Yarrow flower has frilly foliage. Simply take a pair of pruning shears and cut the stem back above a lateral bud.