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From the Editor - Sep/Oct 2014


The surprise is that there have been so few surprises. But maybe that’s just what happens when you plant a 5-acre “stylized prairie” in downtown Chicago and half of the species selected are Midwestern natives. Even when the world-renowned plantsman making the choices was from Holland and had never seen a real honest-to-gosh prairie until he came to America several years ago.

The man in question, Piet Oudolf, was in town this summer for the 10th anniversary of the establishment of The Lurie Garden in downtown Chicago’s Millennium Park, and Chicagoland Gardening was able to steal a few moments from his busy schedule to sit down and get his perspective on what he had done.

“This is an extreme climate,” he noted, “yet there have been no big failures over the years, no big disappointments.” Yes, all the sedums died in the first year – victims, it is theorized, of summer humidity; and molina grass succumbed – a victim, it is thought, of summer drought. But replacing molina with prairie dropseed was an easy fix, and with all the abundance in the Lurie Garden, the sedums have hardly been missed. Even the rabbits’ chomping on the purple prairie clover and yarrow is something that most of us don’t really notice. Far more important: “Hardly anything was lost this past winter.”

Oudolf has revolutionized garden design on both sides of the Atlantic through his pronouncements on the importance of choosing plants for their structure and textural interest rather than solely for their flowers. “A plant is only worth growing if it looks good when it’s dead” is one of his principles. “Brown is a color, too” is another. Yet it takes time for us to adjust to such radical notions. We have to train our eyes to see beauty in more than one way.

There’s still plenty of time to see all kinds of beauty in the Lurie Garden while late-season plants are blooming, and when you go, note all the bees, butterflies, birds and other wildlife that call this city oasis home. (During my last visit, a red-winged blackbird buzzed through my hair three times, and I felt privileged that he had chosen me when there were so many other strollers about.)

One reason for Lurie’s abundance is its diversity with half of the plants prairie natives and the other half non-natives such as calamintha that are wildlife-friendly (bees, in particular, love calamintha). In addition, Lurie Garden never uses chemicals or fertilizer. To improve the soil and provide mulch, the entire garden is chopped down each spring with a tractor mower and the detritus is then left in place to slowly decompose. Fast and efficient.

For Piet Oudolf, this summer’s check-up visit was a satisfying one since the work that continues is mainly what he calls “editing” – removing plants such as compass plant that are sometimes too much of a good thing. What does he like best? “The North American prairie parts of the garden. They show city people what their nation once looked like. It’s important for people to see what they may have never seen before.”

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questions

Why do I have brown areas near the tips of my dwarf Japanese junipers? This has been occurring the last few years. They are supposed to be drought resistant”

I have a nicely sheltered, rounded 7-foot tall Japanese red maple on the southeast corner of my backyard. Half of the tree has lost its leaves, the formerly red bark is turning gray, and a good-sized square of bark has been stripped off on the side that faces the yard. I sprayed the exposed bark with black pruning spray to close any entry for insects. I have not cut off any of the branches.

Does the winter have any effect on the tree? Should I look for some insect infestation? What should I do now?

What does it take to make a climbing hydrangea flower? Ours was planted 3 years ago and is growing energetically. It’s in a protected nook near the patio and gets very little direct sunlight, but doesn’t act sun starved. We gave it a shot of slow release fertilizer on planting, and once since. Somewhat inadvertently it gets plenty of water, since the hose spigot is nearby and leaks, but drainage does not seem to be the problem. It now fully occupies an 8-foot trellis but shows no interest in flowering. Is it youth, lack of sun, too much or too little fertilizer, bugs, lack of pruning or what? When do these plants bloom and what conditions do they like?

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