Relations and functions | Functions and their graphs | Algebra II | Khan Academy
I'm sure I read that leaves should be left alone for six weeks to strengthen the iris and create more offsets. They can be cut back, lifted and moved after six weeks. So if you can pot up the annuals and wait the six weeks, then move enough irises to plant your annuals at that time. Thanks Good ideas. Think I will wait 8 weeks, then lift some Iris and move thus freeing up space for annuals.
Care for Winter Iris I have a couple types of iris plants and I either cut them back as they start to die in the fall or just wait and mow them over when they all have turned brown. In the spring they come back. Iris' are very strong and hard to kill. Good luck! I have read that you should let the leaves die down since all the nutrients will go back into the bulb for the winter. I usually wait until after a few good hard frosts here(Mn) and then the leaves can be easily (gently) pulled off.