Hardy Hibiscus, Rose Mallow, Swamp Mallow 'Morrison's Mammoth Rainier Red'

i have a red hibiscus that is 3 plants woven together, and the top is ball-shaped. I want to know if this is hardy enough to plant outsid...Read Moree Zone 5, and how do I keep the shape through the winter? Up until now, I have been bringing the plant indoors and it blooms until March, then stops until I put it out in the spring. Any suggestions?

I am having trouble finding a photo of the actual seed themselves. Can someone post one? I planted what I think are the seeds (very tiny)...Read More but ....??
thanks!
Jenny

I grew this and several others in my garden this year. I bought them for $1.00 at the end on the year last year. I put them in a new gar...Read Moreden with composted manure. I'm a definite zone 4 and we had -30 to -40 but with a good snow cover.
They were slow to start but, are at least 5 foot and have been blooming since last month and show no signs of stopping

This plant tolerates the deep south well.I have found that it is slow to produce any growth until early April.I have cut it down after a ...Read Moreheavy frost to leave about 4 inches of woody growth.The seed pods should be collected after the pods have turned brown.Usually, the plant will produce pods the second growing year.This plant tolerates my zone's Tropical Season well; hence would recommend it for windy, rainy areas.(Plant should be well staked; however)