I got an email a few years ago from a person asking why his irises were not blooming. I have had an iris in my garden bed for as long as I can remember. My parents grew iris when I was growing up at ...

Question: We have some bearded iris that have spread out from their original planted spot and now form a circle with an empty spot in the middle. Can we divide them and replant them back into the spot ...

Exceptionally hardy, drought-tolerant, and deer-resistant, bearded irises are one of the easiest perennials to grow in cold-weather regions. Though they are mostly care-free, these irises do need to ...

While July gardening chores revolve around watering, weeding, deadheading and helping plants through the heat, those chores might include transplanting bearded iris and watching for powdery mildew on ...

Iris in bloom (top), iris borer larva in an iris rhizome (bottom) Q • My irises didn’t bloom well this year, and a friend recommended that I divide them. When is the best time to do that? Any tips on ...

Bearded irises (Iris germanica) are vigorous perennials that bloom in spring in a rainbow of colors (in fact, the name iris refers to the Greek goddess of the rainbow). Bearded irises increase in size ...

1. Rhizomes have heaved out of the ground. When an iris is overgrown, crowded rhizomes shift against each other like tectonic plates until they erupt out of the soil. It’s not exactly an earthquake, ...

For these perennials, fall division comes with substantial risks, including the inability to endure cold weather and fight off disease right after division.

Yes! By removing any diseased foliage you will not only make your plants look better now but also reduce their exposure to future leaf spot infections. Start by pulling off any withered leaves. Next, ...

Of the several types of irises, the most commonly grown are hybrids or bearded irises. Bearded irises are the ones which have a hair-like structure on one of their lower flower blades or sepals. These ...

Dig a hole about two to three times the size of your division. Place your transplant in the hole at the same depth it was ...