Most verbena varieties are hardy in USDA zones 4-9, but some, such as Verbena bonariensis, may need additional winter protection in colder climates. In warmer regions, verbena can be grown as a perennial, while in cooler climates, some varieties may be treated as annuals. If you live in ...
intermittently backed by small(ish) shrubs that in winter conceal dormant summer growers like Verbena bonariensis, big grasses, kangaroo paws, eryngiums, salvias, hopefully some verbascums and giant fennel this year — scaling up to a final band of big stuff ...
self-sown Verbena bonariensis wintered over and is already 7 feet tall Sideritis oroteneriffae and Aloe camperi Aeonium with ‘Seafoam’ artemisia, Salvia ‘Savannah Blue’ in background Salvias ‘Waverly,’‘Savannah Blue,’ kangaroo paws ‘Regal Velvet’ and ‘Tequila Sunrise’ from the back...