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.
The various types of iris will bloom at different times, and bloom time also depends on environmental conditions. A clump of iris generally bloom three to four weeks after planting. Some varieties will re-bloom four to eight weeks after the initial bloom as well. Iris need 15 to 20 weeks of cold to initiate blooming, according to the University of Rhode Island Landscape Horticulture Program website.