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Is this an agastache?
in Plants
Can anyone help me identify this plant that I have so much of in my garden. It seeds everywhere and looks great at this time of year.
I thought it was an agastache but it does not look quite like the ones I can find on the RHS website such as agastache blue fortune. Could it be a salvia? It has a square stem. Could it be a salvia?
I thought it was an agastache but it does not look quite like the ones I can find on the RHS website such as agastache blue fortune. Could it be a salvia? It has a square stem. Could it be a salvia?

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I think Agastache do have square stems, but the flowers look almost like Veronica .
I think it’s agastache but the flower heads look a bit small for that.
In the sticks near Peterborough
Scutellaria Lateriflora
Scutellaria altissima
Helmet flower, skullcap
Thanks Nutcutlet!! You solved my longstanding mystery.