Re: Growing iris in pots
There are many iris types (Spurias, Siberians, PCNIs, etc) and I am
sure ther are some that will grow where you are.
I have a multi-part question for gardeners in areas where iris can only
be grown in pots:
Where are you (general terms)? We can help much better if we know your
Depends on your criteria. I have successfully grown iris in pots for 1
to 3 years.
1) How successful is pot culture?
On several occasions I have potted rzs left over from our club sale in
the fall. I use 50-50 native soil and a compost mix. I put them in 1
gallon pots. Most bloom the next spring and we sell them to the public
and to a garden center. The pots are too small for multi-year growth.
Never had much of a problem with any of them. If they are vigorous in
the ground they generally do fine in pots,
2) How hard is it to get most cultivars to grow in pots? (I know
most iris cv's that I grow don't like pot culture)
For long term potting, pick a 4-5 gal pot. Use a 50-50 mix. Feed them
twice in the spring (10-10-10) - just when they start their growth
cycle, and a couple weeks after bloom, and again in the fall (0-10-10)
(that is not a typo - 0 nitrogen)
I don't think I would let them sit in full sun if you have very hot
summers (you don't say where you are which is important in some of the
Yes. (Note that I am in the San Francisco area - a Mediterranean
5) Do nurseries in your areas attempt to sell iris in pots?
John | "There be dragons here"
| Annotation used by ancient cartographers
| to indicate the edge of the known world.
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