When to Plant Black Eyed Susan Seed - Knowledgebase Question

Sparks, NV
Avatar for tarner
Question by tarner
July 6, 1998
I have harvested Black-eyed Susan seeds in past years from the beautiful flower gardens here on the University
of Nevada, Reno campus where I work. I have always kept them for planting in the spring. After my initial flower
garden I have not had good luck with additional plantings coming up. I've recently moved to a new location and
want to establish a new Black-eyed Susan flower bed at my new place. Is it better to plant these seeds (and
other harvested perenials) in the fall?

Answer from NGA
July 6, 1998
It's often best to plant perennial wildflower seed in the fall, since that's nature's way. Often these seeds require some stratification, (exposure to cool, moist conditions for a period of time) in order to germinate. This is true for Black-Eyed Susans (Rudibeckia). You can plant them in spring, too, but you'll need to pretreat seeds by refrigerating them in a plastic bag with moistened growing medium (like seed-starting soil) for a couple of weeks. Enjoy!

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