tweeter's picture

Is this a Gromwell?

Observed: 29th June 2012 By: tweeter
S159 Neighbourhood Nature - course complete
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photo (2)29June12_CornGromwell

Rich growth of this weed on edge of farmers field.
Clayey soil near to river

Species interactions

No interactions present.


tweeter's picture


Fantastic - thank you for your help.
Can this be used as a green manure plant? I seem to recall planting some seeds which I think were Phacelia on my allotment. They germinated quickly and soon took over the plot. I don't remember flowering though.

So is Phacelia a non-native?
Many thanks and for being so quick!


ophrys's picture


Definitely a non-native (seem to remember it is native to Mexico?). I know a couple of local farmers who plant it around fields, with other plants, to attract bees.


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GrizzledBadger's picture

Tansy-leaved Phacelia

Can be used as green-manure, and is a good bee plant. Non-native,(sown in grass mixtures
Fitter et al) belongs to Hydrophyllaceae; California-bluebell (A.W.Smith, rev. William T. Stearn: A Gardener's Dictionary of Plant Names) so could be from Mexico.