Richard Hawke
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How-To
Tips and Tricks for Growing Heucheras Successfully
Heucheras are somewhere in between plant-them-and-forget-them perennials and high-maintenance divas. At home in garden beds and superstars in containers, they will reward you handsomely when given proper conditions and care.…
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Design
Expert-Tested New Heucheras That Are Better Than the Classics
Who remembers when ‘Palace Purple’ was one of the hottest perennials in the market? It was the heuchera I planted in my new garden 30 years ago. I liked its…
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Design
A Guide to Growing Reed Grasses: Best-Performing Varieties and Care
As native grasses such as little bluestem (Schizachyrium scoparium and cvs., Zones 3–9) and prairie dropseed (Sporobolus heterolepis and cvs., Zones 3–9) increasingly gain traction in gardens, exotics such as…
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Design
Sterile Varieties of Butterfly Bush
I have mixed feelings about growing and promoting butterfly bushes. On the one hand, they are beautiful and reliable garden plants; on the other hand, their weedy nature cannot be…
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Design
Best of the Sweetshrubs: Plant Trial Results
Woody plants take up a lot of space for a lot of years, so here at the Chicago Botanic Garden we must be choosy about which shrubs we try. A…
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How-To
Best of the Bush Clovers: Trial Plant Results
By the time August rolls around, I’m looking for something new in the garden to pique my interest. I’m not quite ready for fall plants to take their turn, so…
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How-To
Tips to Improve Bush Clover Performance
Best location With bush clovers, full sun is best for heavy flower production and to maintain full-bodied habits. These plants are easy to grow in average to dry soil; good…
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How-To
Growing Summer Alliums: Conditions and Care
When given proper conditions and care, summer alliums are stellar, reliable performers in the landscape. Here are some insights into growing summer alliums that can help you manage and enjoy…
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Design
The Best Summer Alliums to Grow: Plant Trial Results
Some years ago, during a midsummer trip to Wisconsin, I found myself transfixed by a vast planting of ‘Summer Beauty’ allium dotted throughout with taller bright pink coneflowers (Echinacea spp.…
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Design
Noteworthy New Summer Alliums
Although too new to our trial to be fully evaluated, these notable alliums are worthy of praise. Keep an eye out for them when you're at your local garden center…