Spotlight on Cranesbill

Brookside 2022

Most of us have grown perennial cranesbills (hardy Geranium) at one time or another. Not to be confused with pelargonium, the ubiquitous houseplant and scented foliage varieties known colloquially as simply “geraniums”. Cranesbills are so common, we frequently dismiss them as not worth our attention. Add to their familiarity a reputation for erratic performance, and it’s easy to see why cranesbills aren’t as popular as they could be. I’m willing to bet most of us have had at least one unsatisfying experience– I certainly have.

It doesn’t help that so many cranesbills look similar. You might assume they’re all pretty much the same. Yet cranesbills have proven time and again they’re not as interchangeable as growers would have you believe. That’s not the plant’s fault. As with any family, individual varieties are unique and perform accordingly. The problem lies with the sellers, who don’t provide enough information, and ourselves, who prefer our plants to require the lowest maintenance possible.

As a result, aside from choice cultivars like Rozanne and Johnson’s Blue, cranesbills often disappoint. We expect them to provide nonstop color all summer with no care from us. Instead they sprawl, they stall, quit flowering, flop, and entangle.

What’s a gardener to do?

Black-Eyed Susans Ignite Summer Days

Indian Summer is big, bold and brassy

Who doesn’t adore black-eyed susans (Rudbeckia spp.) for their non-stop flowering and strong constitutions? Most cultivars sport bright shades of yellow and gold but tender varieties come in coral, rust, bicolors and even red. If you’re looking for long-lasting summer color to cheer you up, rudbeckia will do the trick.

Black-eyed (and brown-eyed, and green-eyed) susans are also commonly called coneflowers, a name that can refer to echinacea as well. To avoid confusion I’ll just call it rudbeckia here.

Delphinium, Diva of the Mixed Border

Blackmore & Langdon cultivars Faust and Cupid, 2022

I say ‘diva’ because delphiniums are attention-grabbing, gorgeous garden stars, but also notoriously temperamental to grow and sustain. Their finicky needs demand high maintenance and a considerable tolerance for unreliability. Since they are arguably one of the most beautiful perennials on the planet, we “delph” lovers grudgingly carry their water (literally!) in hopes of a spectacular show. If you think you’d like to try growing a few, read on.