A sharp knife or pruning shears is essential for ... division will help ensure successful growth and blooming. After dividing ...

For these irises to rebloom, all the stars must align. Immediately after June flowering, spent blossoms should be pruned away ...

After they’ve finished blooming, remove spent flower stalks ... Late summer is the perfect time to prune iris to promote health and encourage more flowering next year. Pruning at this time ...