In a message dated 8/28/2003 10:25:56 AM Central Daylight Time, firstname.lastname@example.org writes:
You have any guesses as to what it is about this bed that encouraged
earlier bloom in comparison with the others?
In most plants, light is the trigger and the least variable season to season (within limits influenced by some others) for when the plant does what. They have had eons to fine tune their limits with go/no go parameters and if/then statements. I do not expect irises are any different in their use of this trigger. In this particular bed the light level is roughly equal to late September when compared to a bed located in full sun. The unbloomed clump of HOM here is located in a bed receiving more sun but not full (different soil profile too). Other gardens in this area mostly adhear to the conventional wisdom and choose to locate beds in full sun.
Immortality is so deep in weeds here, I will need to cut them to even see if it is in bloom. Lazy is hard on the eyes. But.... they close pretty easy.