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.
Cut back the artichoke plant completely just after harvesting its buds at the end of the summer or beginning of the autumn â yellowing leaves serve as an indicator that it's time to cut the plant back. Use pruning shears to cut all spent stalks down to the ground.