Knotweed: The naughty and the not

To be honest, most knotweeds are at least a little naughty. They can spreaaaaaaad. That might be a good trait in a ground cover. But some, notably the invasive and hard to eradicate Japanese knotweed (Reynoutria japonica, syn. Fallopia japonica, syn. Polygonum cuspidatum), are very, very naughty indeed. This PDF from the Ontario Invasive Plant Council explains. Others, like our covergirl, Persicaria amplexicaulis […]

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‘Green Spice’ is a fabulous Heuchera

A shade gardener who values foliage design, someone like me, needs a healthy appreciation for the huge coralbells family (Heuchera). Hybridizers have created a ridiculously wide array of choices in coralbell leaf shape, colour, patterning, and size. Some have even put the “coral” back in the coralbell flowers. When you add crosses with Heuchera cousin Tiarella you get many more […]

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Lessons from the Danger Garden

Since my earliest days with the long-lost, late-lamented Blotanical, I’ve been a reader of Loree Bohl’s The Danger Garden. With a focus on her passion for spiky plants, Loree has been a regular and prolific blogger since 2009. Get to know her through this interview. Now the growing conditions in Portland (USDA Z8) and Toronto (USDA Z5/Canadian Z6) […]

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Persian shield, not just for containers

Isn’t this a wonderful combination? Usually, you see the metallic purple patterned leaves of Persian shield (Strobilanthes dyerianus) accenting a container. It can also be grown as a houseplant. This time, I found it used as a bedding plant in a public garden in Stratford, Ontario. Loved it! It apparently propagates easily from cuttings. So I […]

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