How To Treat Irises After Flowering. Never use fresh manure on your iris plants especially if drainage is a problem. Irises bloom in mid to late spring and the stem and leaves will remain throughout the summer.
At this point the early summer leaves and flower stems have started to die back and the late summer leaves have started to grow. 30062020 Iris care after bloom is very easy and can be done over several days or longer if you have a lot of them like I do. Their tall and slender physical features require large containers.
Do not overwater irises.
Split the irises every year after flowering has ended during June. Thus the periods can be classified into sporadic and basic ones. Final Seasonal Cleanup After the. Water consistently and deeply especially during summer drought.