A new and distinct cultivar of Nepeta plant named ‘G19213’ is disclosed, characterized by plants with a compact and densely branched habit, producing thick, dark green leaves. Vernalization is not required for flowering. Flowers are large, about double the typical size for this species and dark violet-blue. Plants flowering over a long period of time, from Spring through the first frost. The new cultivar is a Nepeta, suitable for ornamental garden purposes.
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