what is the Citric Acid Cycle's goal? to take the two pyruvates and put it into the cycle to produce NADH and FADH2 how many steps are in the Citric Acid Cycle?
Spread 2-inches of mulch over the iris bed after trimming, if these are first year plants or if your area experience winter freezing. Irises don't require water or fertilization after you cut them back because the rhizomes go dormant until spring.
1 - Summer Sun. Irises require full sun for at least half a day in summer. Insufficient summer sun does not allow proper development of flowering. Full sun all day is desirable for most, however dark colored blooms that flower later in the season will last better if given some protection from the hot afternoon sun.