Graham’s Transatlantic Guide to Weeding
After the Chelsea Flower Show

Roadside surprises

EuphorbiaCharaciasHeathrowGP
Driving around Pennsylvania or Northamptonshire, while keeping my eyes on the road, my peripheral vision always takes in what’s growing by the roadside. And there’s plenty to see.

One of the very first posts on this blog, way back in 2007, was about unexpected roadside plants and here we are almost ten years later and over the last few days I’ve spotted some more.

First, let’s revisit the Heathrow euphorbias (above). Having driven round the exit from London’s orbital motorway, the M25, for Heathrow every few months for more than fifteen years – about four years ago I spotted Mediterranean euphorbias bursting through the barrier. Driving my wife judy to the airport last week she snapped this picture on her phone through the car window as we whizzed by. Those euphorbias are still going strong.
SmyrniumOlusratum
Later, on the way home to Northamptonshire, I spotted something interesting as I turned off the northbound M1 motorway to head home. And it turned out to be a strange mixture of plants: stinking hellebore (Helleborus foetidus) (below) scattered by the side of the road along with Euphorbia amygdaloides var. robbiae, grape hyacinths (Muscari), jonquil daffodils, flowering currant (Ribes sanguineum) and more: a strange mix of garden plants at an exit that’s a long way from a garden.

And then just yesterday, on the way back from the recycling centre, doing very nicely by the roadside – two or three patches of another Mediterranean plant: Alexanders (Smyrnium olustratum) (above right). The Flora of Northamptonshire tells me that it: “originates from it formerly being grown as a medicinal herb”.

Now that our roadsides are not treated like lawns and mown every two or three weeks, there’s more and more interesting plants to see.

  HelleborusFoetidusGP

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