However, you should always inspect your bulbs before planting irises in November. If the bulbs show any signs of damage, disease, or mould, you shouldn’t risk planting them. When to plant border ...

Divide irises when they are dormant in midsummer. After blooming in spring, plants slowly move into a dormant period that ...

Learn about planting iris rhizomes and growing iris flowers. We explain how to care for irises including bearded irises, and their soil, water, sun needs. This Tip Will Help Your Irises Thrive ...

When planting irises, depth is important, as the rhizome mustn’t be planted too deeply. Whether planting a potted iris or bareroot divisions, the rhizome should be just barely covered with soil.

If you are planting a group of irises in a bed, space them about 12 inches apart. If the plants become too crowded, they will not bloom as well.

Irises are often the colourful stars of the RHS Chelsea Flower Show, not just in deep blue hues, but in yellows and rustic oranges too. ... “The planting season is generally April to October.