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The hibiscus just started blooming. I bought the plant locally so I assumed it could stay outside for the winter if covered etc. please advise.

Assuming it is a tropical hibiscus, bring it inside to the sunniest location you have inside.  It will lose leaves so it will need  WAY less water than it has outside.  Nurse it along with just enough water and no food until you see new growth showing…probably in late February.  Start giving it a bit more water an a light feeding (1/4 strength) of soluble plant food like Jack’s Blossom booster. About every 3 weeks.  As the days get longer, water more as needed.   In mid-May once it can go outside to a shady location.  Gradually move it to less shady location until, by mid June when it can go into full sun and get full strength feeding for the summer.

 

If it is a winter hardy hibiscus like Althea (Rose of Sharon) or Mallow hibiscus, it should be planted in the ground now.

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