Hibiscus leaves turn yellow

[bunga cinta]

hi all, one of my hibiscus plant leaves turn yellow almost 100% while the other hisbiscus plant having 10%. i did add top soil n fertiliser but somehow its waiting to die off. last and this month my area having lot of rain. appreciate for any advice. tq

 

[bunga cinta]

 

[cpp gardener]

If you covered the lowest part of the stem, that could lead to the yellowing. Remove any of the topsoil/fertilizer that is touching the trunk. Also check the leaves for small insects. They could be aphids which suck the sap from the stems and leaves. Spray them off with a strong jet of water.

 

[bunga cinta]

If you covered the lowest part of the stem, that could lead to the yellowing. Remove any of the topsoil/fertilizer that is touching the trunk. Also check the leaves for small insects. They could be aphids which suck the sap from the stems and leaves. Spray them off with a strong jet of water.

thank you for the advice. will inspect the trunk immediately.