Many of the perennial plants in our landscapes are slowing down at this time of year. With fall and winter drawing near, a season of dormancy is approaching for these plants. Not so for Louisiana ...

Which perennial flower has the greatest range of colors? It’s iris, appropriately named after the goddess of the rainbow, available in white, yellow, blue, purple, lavender, orange, rust, brown, black ...

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 ...

‘You all posted online that now was the time to divide and replant crowded irises. How do I do that?” — R.W. The first exposure to iris for a lot of us was likely in our grandparent’s garden. They ...

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 ...

FARGO - Last weekend I took my wife, Mary, on a romantic getaway. I found the perfect destination. Yes, we drove to the University of Minnesota Landscape Arboretum near Chaska. You're probably ...

Irises are beautiful flowers with incredible diversity! With more than 70,000 registered varieties, these striking perennials can be planted across almost the entire U.S., except some extremely hot ...

Irises in peak bloom at Jean Lafitte National Historical Park and Preserve on Friday, April 3, 2015. The beloved icons of spring in the swamps are making a come back after sustaining damage from ...

Question: I understand this is the time of year to divide irises. How should I do it? Is this heat going to be a problem? Beth, Tulsa. Answer: I presume you are referring to bearded irises, the showy, ...