How do I care for my Siberian iris after they bloom?
Remove spent flowers after they bloom to keep seed heads from forming. In late fall, cut foliage to the ground and mulch well after the ground has frozen. After a few years, when large clumps form, divide them to ensure continued bloom.
Should I dead head Siberian iris?
If you enjoy deadheading plants and prefer a pristine garden, deadheading Siberian iris blooms will not harm the plant either. For best plant appearance when removing spent Siberian iris blooms, cut the whole flower stalk back to the plant crown immediately after the flowers fade.
When should you cut back Siberian irises?
Cut back Siberian foliage only after it turns brown and withers in late fall. Then, cutting off all leaves an inch or two above ground level is recommended. PESTS: Siberians are more resistant to disease than other garden irises, but do suffer from scorch in those areas where this attacks other Iris varieties.
What happens if you don’t Deadhead Iris?
Deadheading, or removing the old flowers, keeps the plants attractive and allows the leaves to collect energy for healthy root formation instead of setting seeds. Some irises may bloom twice a year if you deadhead properly. Break off the individual flowers on each flowering stem after they finish blooming.
Do Siberian iris like sun or shade?
Siberian irises perform best in moist, well-drained, fertile soils. However, they will tolerate poor, dry sites. They can be grown in partial shade to full sun. Siberian irises are usually planted in spring or late summer.
Should I remove dead iris flowers?
A: After your irises have bloomed, you can indeed cut down the flower stalk; this process is known as “deadheading”. However, you should not cut down or tie up the irises’ leaves at this point, even if they are a bit unsightly.
Can I cut back Siberian iris after they bloom?
A: After your irises have bloomed, you can indeed cut down the flower stalk; this process is known as “deadheading”. Eventually the iris will finish its energy restoring process, and then the leaves will turn brown. At that point, you may then cut off the leaves, too, if you wish.
When can you dig up iris bulbs and replant them?
The best time when to transplant iris is in the summer, after the iris have finished blooming, up until fall.