Richard Hawke
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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…
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How-To
How to Grow and Care for Ninebark Shrubs
A low-maintenance native shrub, ninebark grows best in full sun to light shade. Although it prefers evenly moist, well-drained soil, it is adaptable to rocky and clay soils and is…
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How-To
The Best Ninebark Shrubs for the Garden
Common ninebark (Physocarpus opulifolius) is one of those shrubs that I learned about in college and then forgot about until sometime around the Millennium, when purple-leaved Diabolo® transformed a humble…
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Design
Brand-New Ninebark Shrubs Showing Promise
The compact ninebarks intrigue me—their reduced sizes and refined habits are made for small urban gardens like mine. And they challenge the notion that ninebarks are all coarse or tangled shrubs.…
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Design
These New Burnets Deserve Your Attention
These burnets are new on the scene, but they're already showing promise. ‘Blackthorn’ burnet Robust ‘Blackthorn’ burnet (S. ‘Blackthorn’) was one of the largest of all the burnets after just…
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How-To
Get to Know Burnets
Burnets are easy to grow, have great textural foliage, stay mostly disease-free, and put on a supremely unique bloom show from summer into fall, when much of the garden looks…
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Design
Burnets Are Tough and Beautiful Plants
I have no recollection of burnets—native or cultivated—before my back-to-back encounters with great burnet (Sanguisorba officinalis) in the South Korean countryside and on the grassy steppes of Siberia. The sight…
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How-To
How to Grow Lambs’ Ears and Betony
Lambs’ ears and betonies are easy to grow in full sun to light shade in well-drained soil, but betonies like the soil consistently moist, and lambs’ ears prefer it on…
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Design
Stachys Plant Trial: Which Ones Were Best?
In a world where I could only have 10 plants in my garden—clutch your pearls, right?—lambs’ ears (Stachys byzantina and cvs., Zones 4–8) would most assuredly be one of them.…
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How-To
The Ins and Outs of Molinia
Naming issues Research at Kew Gardens in England established that the different foliar traits of Molinia caerulea ssp. caerulea and M. caerulea ssp. arundinacea are cultural rather than genetic, which…