cult: iris in pots



Since the discussion about iris in pots has come up, I thought you might 
be interested in the results of an "experiment" I ran last fall. In 
October, way past the normal time to transplant iris, I bought a couple 
of dozen plants from a fellow who was selling his house & intended to 
plow up his iris beds. (an almost unbearable thought!) I knew that I would 
be looking for iris to put in the master gardener's Discovery Garden this 
spring, but had no open place in my yard to put them, so I planted my 
newly-acquired iris in wide, shallow pulp pots and in big cardboard 
boxes. All were badly overcrowded, but I figured if any survived, that 
would be a success. I put one third of the containers up against the 
west side of the house, one third on the deck, and one third out in the 
open. All were heavily mulched, something I would not normally do. We had 
unusually heavy snowfall this past winter, and all but the ones against the 
house were buried for quite a while. We had the normal never-ending rains all 
spring, and the plants on the deck and in the open were drenched. The 
ones against the house stayed dry and grew quite well. Slugs got into the 
ones on the deck. Then in early April, the director of the Discovery 
Garden told me the space for the iris garden was ready, so just as the 
remaining plants were putting up bud stalks, I hauled them out to their 
new home, took them out of their pots & planted them. Much to my 
surprise, nearly every one of the surviving plants bloomed! To my way of 
thinking, this is practically a case study in how not to treat iris, and 
a tribute to their ability to survive the most dreadful circumstances. 
(I kept the slug-demolished plants at home, and replanted the rhizomes in 
new containers, even though none showed any sign of growth, and put 
them up against the house where they would dry out. Now, a month 
later, new leaves have come up on half a dozen of them. A small miracle.)
So, I think where iris are concerned, nothing is impossible! 

Kay Berg (kberg@baker.cnw.com)
in the Skagit Valley, Washington State
AIS Region 13




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