Hibiscus Plants

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  1. Why Are My Hibiscus Buds Falling Off?
  2. How Do You Split A Hardy Hibiscus
  3. Bugs Eating My Hibiscus
  4. 1 of 5 Hibiscus Plants Losing All Its Leaves
  5. Hibiscus Planting
  6. Cutting Hibiscus Back
  7. Why Does My Hibiscus Have a Minimum of Flowers?
Asked by martinrick49 on July 27, 2011
Why Are My Hibiscus Buds Falling Off?

I have a very healthy hibiscus plant in a pot. It has a lot of buds, but when they start to open, they fall off. The cut is very clean, so I don’t know what’s happening. Can someone help?

ANSWERS
Cathy

It sound like you have a problem with insects, probably thrips. Please see this article for more information:

http://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-flowers-hibiscus-blossoms-falling-off-plant.htm

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Asked by Anonymous on July 27, 2011
How Do You Split a Hardy Hibiscus

I have several hardy hibiscus plants. The plants are hardy in the midwest zones down to 30 degrees below zero and can double in size and grow up tp 6 feet high in 3 years. I would like to split the plants, but do not know the best time or how to do it. I need some help.

ANSWERS
Nikki
Certified GKH Gardening Expert

There are many species of hibiscus. The overall majority are best propagated through cuttings. However, hardy hibiscus can be divided and is usually done so in spring. It can be divided by cutting the plant in half. Stick a shovel in the middle of the plant between the stalks and cut straight down into the root ball. Then dig out from around the plant (about a foot around). Pop them up out of the ground and then replant.

Here is an article you may find helpful: http://www.gardeningknowhow.com/garden-how-to/info/dividing-plants.htm

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Asked by Anonymous on July 28, 2011
Bugs Eating My Hibiscus

I have the winter hardy hibiscus plants and the bugs are eating the leaves to just about lace looking. Is there a spray I could use?

ANSWERS
Nikki
Certified GKH Gardening Expert

I like neem oil as an insecticide. It is safe for people, pets and beneficial bugs but very effective on harmful pests. Here is more information:
http://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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Asked by Anonymous on July 28, 2011
1 of 5 Hibiscus Plants Losing All Its Leaves

I have five hibiscus plants in the front of my house. Four of them are fine. However, the leaves began turning yellow and falling off on only one of them. I gave it extra fertilizer and water, but now the branches are basically bare. I checked it for bugs and do not see any. I do not understand why this one is having problems when conditions for all five are the same. It looks as though new leaves are sprouting on the branches, but I am not sure they will continue to grow. It was still producing flowers for a time, but then the buds dry up. I don’t know what to do to help it and it looks absolutely terrible.

ANSWERS
Nikki
Certified GKH Gardening Expert

I would be willing to bet that even though you did not see pests, the plants still has a pest infestation. If it was a disease, it would likely not regrow leaves. Some pests,like thrips or mites, can be difficult to see with the naked eye. I would treat the plant with neem oil. This will kill any harmful pests on the plant without being a danger to people or pets in the yard. Here is more information on neem oil:
http://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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Asked by Anonymous on July 30, 2011
Hibiscus Planting

Does a hibiscus need full sun or shade?

ANSWERS
Nikki
Certified GKH Gardening Expert

These plants do best outdoors when grown in full sun or bright light indoors. The following article should be of some help to you: http://www.gardeningknowhow.com/ornamental/flowers/hibiscus/how-to-care-for-hibiscus-plants.htm

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Asked by Anonymous on July 30, 2011
Cutting Hibiscus Back

Should I cut my hibiscus back after its blooms have fallen off in order to produce more blooms?

ANSWERS
Nikki
Certified GKH Gardening Expert
Asked by loffybee on July 31, 2011
Why Does My Hibiscus Have a Minimum of Flowers?

Brought plant in for winter. It went semi dormant. When brought back out in spring, it is strong and healthy, just not many flowers. What am I doing wrong?

ANSWERS
Susan75023

Hibiscus like a lot of fertilizer. Mix a good fertilizer with water per directions and give it to them every two weeks.

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