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Trouble with variegated Lamiastrum #797476

Asked June 23, 2022, 3:16 PM EDT

Our bed of lamiastrum is looking very healthy as seen in the first photo. However, as you can see in the next photo, this shoot (as well as others in the bed) which I cut out of the bed has a strange growth on it. The seed / flower??? and the lack of variegation as it grow upward???. Any thoughts on what is happening????

Hennepin County Minnesota

Expert Response

Variegated plants usually come from a mutation of sorts. The mutated plant is observed, collected, propagated and marketed. However, variegation may not last forever, and these plants sometimes revert back to their original solid green (called a "reverse mutation"). The solid green doesn't spread like a disease and there is nothing you can except prune out the parts you don't like and maybe freshen up your plant mass with some new plants. 

The growth appears to be seed heads after blooming. Growing through the A/C unit may have stressed the plant and prompted it to put on seed faster / earlier than the rest of the mass. Again, nothing to do (except you really should pull the plant out of your A/C unit).
Julie Weisenhorn Replied June 23, 2022, 3:24 PM EDT

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