The plants that come back. Herbaceous perennials rise from the crown each spring, flower through the warm months, and retreat to the ground in winter, returning larger the year after. They are the flowering heart of the border, the long-term investment that repays a gardener season after season.
Salvia 'Anthony Parker' is a big, late-blooming hybrid sage with a charming South Carolina origin. The plant arose as a chance seedling in the Beaufort garden of the plantswoman Frances Parker, a cross between Salvia leucantha 'Midnight' and the pineapple sage Salvia elegans, and Frances rescued the young seedling from the path of the mower and named it for her grandson Anthony, then a year old, in 1994. From that lucky reprieve came one of the best late-season salvias for the South.
Salvia madrensis, the forsythia sage, is a big, robust perennial from the mountains of Mexico, grown for a late-season show of soft yellow. Broad, quilted, triangular leaves clothe stout, square, mint-family stems, and in fall the plant lifts terminal clusters of clear yellow flowers that recall a forsythia in bloom and give the sage its common name, an unusual color and a welcome one so late in the year.
Salvia mexicana, the big blue Mexican sage, is a tall, dramatic perennial grown for deep, saturated blue-violet flowers that arrive when the gardening year is winding down. The tubular blooms, set in contrasting calyces, are carried in long spikes above bold, heart-shaped leaves, and few plants bring so pure and deep a blue to the autumn garden.
Salvia uliginosa, the bog sage, is an airy, sky-blue perennial grown for clouds of clear, cool blue flowers held on tall, slender, branching stems from midsummer into fall. The species name uliginosa means of marshes, and the plant lives up to it, thriving in the moist ground most sages refuse, so the bog sage fills a niche few others in the genus can.
Copper Canyon daisy is a big, aromatic, autumn-flowering marigold from the mountains of southern Arizona and adjacent northern Mexico, grown as much for the scent as the show. Brush against the finely divided, fern-like foliage and the plant releases a strong, distinctive fragrance, a mix of citrus, anise, and marigold that some find intoxicating and others frankly pungent. Tagetes lemmonii builds a soft, shrubby mound three to four feet high and wider still.
Tagetes lucida is the herb that does it all. Known as Mexican tarragon, Mexican mint marigold, pericón, and, in the old Aztec tongue, yauhtli, this fragrant perennial from Mexico and Central America earns every name. The narrow, glossy, deep-green leaves carry a warm anise-tarragon scent and flavor, and in late summer and fall the plant scatters small, single, golden-yellow marigold flowers across a tidy foot-and-a-half mound.
