Lavandula x intermedia 'Phenomenal'
Survives humidity and cold that kills other lavenders. Silver foliage stays tight and full.
The ASPCA lists English lavender (Lavandula angustifolia) as toxic to cats and dogs, with nausea, vomiting and a loss of appetite as the signs. Other lavenders are not listed by name, but they are the same genus, so give them the same caution.
For gardeners who like to stay ahead.