After 2 to 5 years, when clumps become congested or lose vitality and stop blooming, divide and replant sound rhizomes in fresh soil. The best time to replant ...
Iris bulb planting times vary with climate and variety but typically, for spring blooming ... However, they may not root deeply or bloom until the following year.
A quick guide to growing all the Irises: The big Bearded Irises you plant in late ... It also relates wildflower planting to fall bulb planting time--sometimes doing ... They brighten the garden in spring, multiply year after year, and are resistant to ...
Bearded iris is among the most elegant -- and easy to grow -- flowers of spring. ... It's a magical time when bearded irises unfurl their pencil-slim buds to reveal a ... a year -- in early spring and just after bloom when the rhizomes are forming the ...
For best results, plant iris rhizomes in July, August or September. ... the roots of newly planted irises be well established before the end of the growing season.
As the plant's roots establish themselves throughout the late summer ... can occur during very cold weather and dislodge the rhizomes. ... of fertilizer starting the growing season after you plant it.
If you miss the optimum planting time for spring-flowering bulbs, go ahead and ... Every year stories abound of bulbs that bloom after being planted under the ...
Dwarf Irises (I. reticulata and I. danfordiae): These irises grow from bulbs ... Remove and destroy any infected foliage that appears during the growing season.