Zinc Deficiency?

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tackful

AC Members
Mar 15, 2007
584
3
18
Sausalito, CA
My plants are looking much better since I added Mg (epsom salt), but older leaves on the wisteria are having trouble, turning dark and curling downwards. Since new growth looks good, my guess is that a mobile nutrient is lacking. Since P and N look good (0.5 and 20 ppm respectively), and I am adding plenty of Mg, the only other moblile nutrient I know of that might be lacking is Zinc. Does this seem reasonable? I dose Flourish (not Flourish Trace), but have read that it is low in Zinc. Am wondering if CSM+B or another source of traces might be worth trying. Thanks.
 

dundadundun

;sup' dog? ;woof and a wwwoof!
Jan 21, 2009
4,296
2
38
S.E. PA
csm+b is definitely worth trying.
 
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