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- Q.Yellowing And Dropping Leaves On Hibiscus - Hi I live on the Gold Coast and we have had a lot of rain and wind recently, and the ...
- Q.How To Keep A Potted Hisbiscus Plant For Winter? - I need instructions on what to do to save it.
- Q.Leaf Curl And Yellowing Of Leaves On Hibiscus Plant In-ground - The small plant is named Fijian Hibiscus rosa syneresis. The others, unfortunately, I don't know the full names of. All three plants ...
- Q.When Is The Best Time To Prune My Hibiscus? Is It Too Late, Now That It’s Fall? 2) Where Do I Take Clippings For Propagation? - My cranberry hibiscus is VERY tall - over 6 feet. (It makes me wonder if it’s even a cranberry hibiscus.) ...
- Q.Kill Weeds And Grass Around Hibiscus - I wish to clean up the areas around my hibiscus of weeds and grass without harming the hibiscus
- Q.Hibiscus Plant And Fox Glove - Can I leave this hibiscus and fox glove outside for the winter or should I wrap in plant insulation?
- Q.My Hibiscus Leaves Are Turning Yellow And Falling Off. - I have been fighting aphids also
Asked by
Anonymous on
October 21, 2019Q.Yellowing and dropping leaves on Hibiscus
Hi I live on the Gold Coast and we have had a lot of rain and wind recently, and the hibiscus leaves are yellowing and dropping. Could you advise the best fertilizer to use for this. Somebody advised to use sulfate of potash. Is this the best to use?
Answered by
GKH_Susan on
October 22, 2019
Certified ExpertA.With a lot of rain, the soil could be water saturated and the roots lacking adequate aeration. That could lead to yellowing and leaf drop. Improve the drainage of water away from the base of the plant as best possible. Wind can cause drying of leaf tissue. So even though there is water, with impaired root function and drying winds, the plant could be experiencing severe physiological stress.
There are 16 major and minor plant nutrients, plus trace minerals and beneficial soil organisms. All are important for plant health. To apply only one mineral nutrient could further affect an imbalance. A soil test may be in order or you can use a complete balanced fertilizer.https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-leaf-drop.htm
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- Asked by
r0adrunner2 on
October 21, 2019
Medina, Ohio 44256Q.How to keep a potted Hisbiscus Plant for winter?
I need instructions on what to do to save it.
- Answered by
GKH_Susan on
October 21, 2019
Certified ExpertA.This article explains:
Was this answer useful?00 - Asked by
Paral on
October 27, 2019
Mount Maunganui New ZealandQ.leaf curl and yellowing of leaves on Hibiscus plant in-ground
The small plant is named Fijian Hibiscus rosa syneresis. The others, unfortunately, I don't know the full names of. All three plants are in a frost free & sunny position {New Zealand } Cheers.
- Answered by
BushDoctor on
October 28, 2019
Certified ExpertA.They are very heavy feeders, and will require quite a bit of fertilizer. These articles will help you to feed and care for Hibiscus: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-fertilizing.htm
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/how-to-care-for-hibiscus-plants.htm
Was this answer useful?00 - Asked by
Anonymous on
November 4, 2019Q.When is the best time to prune my hibiscus? Is it too late, now that it’s fall? 2) Where do I take clippings for propagation?
My cranberry hibiscus is VERY tall - over 6 feet. (It makes me wonder if it’s even a cranberry hibiscus.) It’s very healthy looking, but I was shocked at how tall it is. I live in Atlanta (7b) so I’m not sure how to take care of it so it will stick around until next year. I’d also like to propagate - where do I cut? Thank you so much!
- Answered by
GKH_Susan on
November 4, 2019
Certified ExpertA.While you can do some light pruning in late summer or early fall, the best time to prune a hibiscus is in the spring. Here's an article with more information on when and how to prune:
Hibiscus cuttings used for propagation should be taken from new growth or soft wood. This is also best done in the spring. Here's an article with more details on how to successfully propagate a hibiscus:
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-propagation.htm
Was this answer useful?00 - Asked by
heferris on
November 4, 2019
33898Q.Kill Weeds And Grass Around Hibiscus
I wish to clean up the areas around my hibiscus of weeds and grass without harming the hibiscus
- Answered by
BushDoctor on
November 5, 2019
Certified ExpertA.Selective herbicides for the grasses and weeds are the safest bet. Still it is best to try and avoid getting any on the Hibiscus.
Pulling the weeds up, and spraying with undiluted vinegar VERY LIGHTLY can help, also. Just spray enough to get a mist on the very top of the soil, and not wetting it with the vinegar. This will kill the weeds, and if used in a small amount will leave the Hibiscus unharmed.
https://www.gardeningknowhow.com/plant-problems/weeds/weeds-in-tight-spaces.htm
https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/how-to-care-for-hibiscus-plants.htm
Was this answer useful?00 - Asked by
lillypad on
November 7, 2019
22031Q.Hibiscus Plant And Fox Glove
Can I leave this hibiscus and fox glove outside for the winter or should I wrap in plant insulation?
- Answered by
BushDoctor on
November 8, 2019
Certified ExpertA.Foxglove can, sometimes, survive in zone 7 in ground. In container, it would get too cold and kill the plant. You will want to bring it in to a cool, but not frozen area.
Keep in mind that Foxglove is considered a biennial, or short lived perennial. The first year will be vegetative growth, and the second will be a flowering spike for self seeding before the plants death.
Here is an article that will help with the care of these in container: https://www.gardeningknowhow.com/ornamental/flowers/foxglove/growing-foxglove-in-containers.htm
The Hibiscus will depend on the variety. There are several that will be hardy in your area, and several that are not even close to hardy in your area. You would have to consult the place that you got it from to know whether the variety was cold hardy or not. To be sure, you will want to bring it indoors for the winter, and continue care as a HIGH LIGHT requirement houseplant. Even with plenty of light, it will start to enter a semi dormant state. It is going to drop almost all leaves, and turn an ugly yellow until Spring. Just don't prune it until you put it back out in Spring.
This article will help you with the care of Hibiscus in container: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/hibiscus-container-care.htm
Was this answer useful?00 - Asked by
hollyhcg1224 on
November 10, 2019
Okeechobee, FlQ.My Hibiscus Leaves Are Turning Yellow And Falling Off.
I have been fighting aphids also
- Answered by
BushDoctor on
November 12, 2019
Certified ExpertA.Likely, once you control the aphids, you will control the yellowing.
These articles will help you with insect control:
https://www.gardeningknowhow.com/special/organic/what-are-organic-pesticides.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm
Here is an article that will help you with the general care of Hibiscus: https://www.gardeningknowhow.com/ornamental/flowers/hibiscus/how-to-care-for-hibiscus-plants.htm
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