Arnold Trachtenberg via pbs pbs@lists.pacificbulbsociety.net
Tue, 16 Mar 2021 04:31:18 PDT
 I had posted a query on some trouble I had with Arums and leaf curl and die back.
Nathan suggested a non ammonium fertilizer which I did.

I've attached a picture of one of them that flowered for the first time in a couple of years.
I used Schultz's 8-14-9  

Nitrogen analysis:
0.7 % Ammonium nitrogen0.4 % nitrate nitrogen6.9 % urea nitrogen

It worked out much better although towards the end of the season I'm seeing some of the same conditions with one plant.
Here is a flower on the A. korolkowii

I think if I repot in all fresh soil it will be better next year.
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