Summerific® Holy Grail Hardy Hibiscus Plants offer something special. The large 8-9-inch, deep red flowers bloom amongst the oval shaped leaves that are almost black in color. You don't want to be without this beauty in your late summer garden.
Summerific® 'Holy Grail' Hibiscus hybrid USPPAF 31,478, Can PBRAF
Common Names: swamp rose mallow, perennial hibiscus, dinner plate hibiscus, rose mallow hibiscus, swamp mallow, mallow hibiscus
"Exactly what I ordered and expected!"
Rick G. on 10/8/2022 1:36:47 PM
Comment: The two hibiscus plants I ordered came well-packed and in excellent shape and on-time! Really, I couldn't have asked for a better experience with GrowJoy.
"Holy Grail Hardy Hibiscus"
Peter Troffa on 9/30/2021 9:52:58 AM
Comment: I planted this Holy Grail Hardy Hibiscus and Brandy Punch Hardy Hibiscus from GrowJoy last year.The photo is of the 2 plants in only 1 year later. They both grew and flowered unbelievably and continue to bloom in September when this picture was takI am very happy with my purchase from GrowJoy that I purchased 4 more Hardy Hibiscus plants this year! Plants are very healthy and do great here on Long Island N.Y. You will not be disappointed with these plants! Thanks GrowJoy for selling premium qual... More details
"Terrific Looking Plants"
Paula McGrew on 9/28/2021 8:12:18 AM
Comment: These plants arrived healthy and thriving, and I'm looking forward to see what they turn out like next summer.
"Summerific Holy Grail Hardy Hibiscus Plant"
Vicky Caddell on 8/16/2021 7:11:38 PM
Comment: They sure are going to be beautiful next year with my other older ones wanted to fill them in
Barbara O on 8/15/2020 11:56:31 AM
Comment: Beautiful!!! Will order more.
>> Read all product reviews [5] | Write your own review
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