My tropical hibiscus needs help?

altho it is still blooming, the leaves are turning yellow and falling off.Is this normal or is there a problem?
My tropical hibiscus needs help?
hi

Mine just started doing that also, all of sudden. I live in California and also asked the same question about a week ago. I stopped watering it, I was watering it every other day, because it has been soooo hot here, I also just fertilized it and have just been giving it a good watering once a week. I have other Hibiscus close by and they are fine, but I only water them every two weeks. So I think my problem was over watering. It's either to much or to little.. Good luck , and let me know how it goes for you.
Reply:Maybe too wet or improper drainage?
Reply:Indoor hibiscus are very suseptable to Spider Mites, especially in dry air, which will cause the leave to yellow and fall because they feed on the plant.

Look closely where the leaves attach to the stem /trunk and see if there are tiny fine webs. The spider mite is very tiny and usually redish colour.

If you find this is the case, remove the plant immediately from the others and use a soap based insecticide repeatedly and hope you can save the plant.

Meanwhile mist your other plants and even create a pebble tray for the pots to sit in. The pebbles will keep the roots out of the water while the water in the tray will evaporate and increase the humidity around the plants and thus discouraging Spider Mites who love it hot and dry.
Reply:Actually this could be because of several factors. First understand that all plant roots need more oxygen than they do water. If the soil is too compacted, the roots will die. If the roots die, the plants die.

On the other hand it could be a lack of an essential nutrient...you could be experiencing something known as chlorosis, and my guess is you have a nitrogen deficiency.

My last guess would be water....make sure the soil is moist. When a plant has a lack of water and is begining to die...it will promote the fruits and flowers otherwise known as the reproductive parts of the flower. The plants intitial reaction is to save the seeds, save the babies...so it sends all the nutrients and water to the fruits and flowers...it drains the leaves of water and nutrients...thus the leaves turn yellow and fall.

So check all of those factors.
Reply:We experience this chlorosis and defoliation in the greenhouse when the plants have been producing lots of flowers and have not been watered sufficiently. If your plant is potted and has been heavily flowering, it is surely very root bound (Not a bad thing for forcing flower) and will need to be watered and fed lots more than if it were planted in a bed. We water, heavily, daily and feed at least once per week. The plants all have at least a half day of unbroken sunshine, too.

On the other hand, if your plant has been sitting too wet, it is likely losing nutrients due to leaching. This is unlikely if the plant is potted.
Reply:Try the forums at http://www.suburbangarden.com/ they are geared more toward this type of questions
Reply:Could be dry or may need an acid soil water regularly if the former or add ericacious compost if the latter.