Friday 11 October 2024

Penstemon v Willowherb: how to spot the difference

It's that time of year when the Penstemon are still going strong, and we all love Penstemon, which are going from strength to strength these days:- more variety of colour, longer-lasting, and often truly perennial.


 

They have trumpet-shaped flowers, often with a splash of white inside them, and they flower for a long time, through summer and right into autumn.

But at this time of year, the weeds are also springing up and, more to the point, starting to set seed.

I was working with a student last week.....

 

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