Re: Iris pseudacorus


I wouldn't hesitate to grow pseudacorus in moderate numbers far from water. But they must be deadheaded right after bloom. The problem is where they get to seed into waterand carried off to other places.            Joan Cooper, Minnesota

Kenneth Walker wrote:
I have a dwarf form of Iris pseudacous that is also sterile. In addition,
its small size makes it less of a threat to nearby plants. The large forms
can quickly form huge impenetrable clumps.

Ken Walker

Ken Walkup wrote:

  
Dennis & all,
        I have seen local ponds just choked with pseudacorus (in central 
NY state).  In the last year, both Horticulture mag & Fine Gardening had 
articles on invasive plants, and mentioned this plant.  It's a thug, for 
sure.  Still, I have two or three varieties of it planted in ordinary 
garden soil, where there is no danger of it escaping.  Last year my clump 
of "Sun in Splendor" was a show stopper, very large with beautifully formed 
bright yellow flowers.
        For those who want to try pseudacorus but are worried about it 
taking over, try the hybrids "Chance Beauty" and "Roy Davidson".  "Chance 
Beauty" is a hybrid with a JI and the flower has that shape, with yellow 
flowers & brown markings.  It blooms for me late, around July 1, and will 
definitely be the center of attention when it flowers.  "Roy" looks like a 
pretty ordinary pseudacorus; it's not 100% sterile but close to it.
        Ken

 

 

    



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