Posted:  31 May 2012 05:01
Registered User Currently Offline Join Date: Jan 2011	Posts:  3 Reputation: Unranked User Rank: 1 - Seedling
What would cause the leaves on ficus trees(older than 5 years )to begin to turn yellow towards the middle of the leaf,around the vein. The leaf does not fall off. It looks like it might need iron. We have applied iron and it does not help, but maybe it needs many applications?Has anyone had this problem?This is not on the new growth.The plants receive indirect bright light with regulated heat.

Posted:  01 Jun 2012 00:11
Registered User Currently Offline Join Date: Jan 2011	Posts:  798 Reputation:  43 User Rank: 10 - Blossom
Could be manganese deficiency, but without seeing photos or testing leaf tissue, I can't be sure. Send leaves to A & L Southern Agricultural Labs in Florida for diagnosis...Lynn Griffith is the best. Clem

Posted:  02 Jun 2012 00:50
Registered User Currently Offline Join Date: Jun 2012	Posts:  39 Reputation:  3 User Rank: 1 - Seedling
I second on testing leaves, and soil too.  But if I had to take immediate remedy measures, I would energetically leach the soil with water - providing your ficus is in a pot, of course.  The problem could be salt build up.

Posted:  10 Jun 2012 02:42
Registered User Currently Offline Join Date: Jan 2011	Posts:  3 Reputation: Unranked User Rank: 1 - Seedling
Thanks for your ideas which I had not considered!

Posted:  23 Jul 2012 01:02
Registered User Currently Offline Join Date: Jul 2012	Posts:  2 Reputation: Unranked User Rank: 1 - Seedling
It can be the temperature of the place as to where the tree is. Just drizzle water into it regularly and cut the brown leaves. _______________ Interior Plants Service LA

Posted:  24 Jul 2012 14:07
Registered User Currently Offline Join Date: Aug 2011	Posts:  64 Reputation:  6 User Rank: 2 - Sprout
What do you mean by "regulated heat?" Is the heat turned off over the weekend?  Is air conditioning used in the Summer months? Could be a combination of cool temperatures coupled with over-watering.  You may not be over-watering to the point of complete soil saturation, but in cool temperatures it's better to keep the soil on the dry side.

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