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Our Products: Perennial Plants > Hardy Hibiscus Plants
Summerific® Holy Grail Hardy Hibiscus Plant (Rose Mallow)
Summerific® Holy Grail Hardy Hibiscus Plant (Rose Mallow)
Summerific® Holy Grail Hardy Hibiscus Plant (Rose Mallow)
Summerific® Holy Grail Hardy Hibiscus Plant (Rose Mallow)
Summerific® Holy Grail Hardy Hibiscus Plant (Rose Mallow)
Summerific® Holy Grail Hardy Hibiscus Plant (Rose Mallow)
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Summerific® Holy Grail Hardy Hibiscus Plant (Rose Mallow)

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Price: 18.95
Each Quart-Sized Pot contains 1 plant
Full Sun (6+ hours)Moist4-feet tall x 5-feet wide
Plant Features

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

Plant Needs
Preferred Sunlight: Full Sun (6+ hours)
Preferred Soil Moisture: Moist, Well-drained
Fertilizer Needs: When transplanted and then every 4-5 weeks
Tolerates: Clay soil
Survives Winter in Zones: 4, 5, 6, 7, 8, 9
Plant Characteristics
Habit: Upright
Mature Plant Size: 4-feet tall x 5-feet wide
Flower Color: Red
Bloom Time: July, August
Attracts: Bees, Butterflies, Hummingbirds
Critter Resistance: Deer, Rabbit
Product Reviews
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>> Read all product reviews [4]  |  Write your own review
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"Holy Grail Hardy Hibiscus"

on 9/30/2021 9:52:58 AM

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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"

on 9/28/2021 8:12:18 AM

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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"

on 8/16/2021 7:11:38 PM

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Comment: They sure are going to be beautiful next year with my other older ones wanted to fill them in

"Holy Grail Hardy Hibiscus"

on 8/15/2020 11:56:31 AM

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Comment: Beautiful!!! Will order more.

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