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.
Step 5. Divide iris clumps every 3 to 4 years to keep existing plants healthy and avoid crowding. Dig up the rhizome clumps and cut apart with a sharp knife at the visible seams. Replant the largest and healthiest-looking rhizomes.