Re: OT: Recovering from overfertilization
- Subject: Re: [iris-talk] OT: Recovering from overfertilization
- From: J* I* J*
- Date: Mon, 08 Jul 2002 10:39:14 -0700
Hi Diana,
In the 6 years that this group has been sending messages, I don't ever
remember ever hearing that over fertilization caused an iris to not
bloom. Encourage rot certainly, but not deter bloom. Certainly there
are some vegetables (like tomatoes) that will not produce fruit if they
get too much nitrogen. I am not saying that it is not the cause, but I
have never heard of it before.
First, how much did you put on? Is it more than the recommended amount
for irises? If you had fertilized with 20-20-20 at half recommended
amounts, it would have been the same as using 10-10-10 at full
recommended amount. (10-10-10 is the typically recommended fertilizer
for *spring* applications)
second, I would look for some other cause. Typically the lack of
sunlight is the culprit in low bloom rates.
dlouis@dynamicro.on.ca wrote:
>
> Friends on iris-talk,
> I put 20-20-20 fertilizer on my main iris bed for 4 years previous to
> the spring of 2001. During that spring I heard that this would cause my
> irises to stop blooming and so they didn't bloom. They are not going to
> bloom this summer either. Can anyone suggest anything that I could put
> on to encourage them to start next year? The rhizomes are mostly in good
> condition and some of the fans quite large. I've got some 0-17-15 if
> anyone thinks this would help. Can anyone else suggest anything to help?
> TIA.
>
John | "There be dragons here"
| Annotation used by ancient cartographers
| to indicate the edge of the known world.
List owner iris-talk and iris-photos
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