Ornamental
Mexican Bush Sage is an evergreen shrubby perennial native to Central America and Mexico that commands attention in late summer gardens with its stunning bicolor flowers. In zones 8, 10, it grows as a winter-hardy perennial reaching 2, 3 feet tall; in colder climates, gardeners typically grow it as an annual. From August through the first frost, dense spikes of showy purple calyces and white corollas emerge in elegant arching clusters, creating a magnet for hummingbirds and butterflies. This is a low-maintenance sage that thrives in full sun with moderate water and requires minimal fussing once established.
Full Sun
Moderate
8-10
36in H x 36in W
Perennial
Moderate
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The real showstopper here is the bicolor flower display that starts in late summer and runs right up to hard frost, with purple funnel-form calyces that last far longer than the delicate white inner petals. These flowers cluster into dense, arching spikes up to 10 inches long that seem to glow when backlit by afternoon sun. Deer won't touch it, hummingbirds and butterflies can't resist it, and it asks for almost nothing in return: full sun, moderate water, and you're done.
Mexican Bush Sage is grown exclusively as an ornamental plant for its dramatic late-season flowers. It earns its place in borders, cottage gardens, and pollinator gardens where its extended bloom period and magnetic draw to butterflies and hummingbirds make it invaluable during the quiet end of the growing season.
Start seed indoors 6, 8 weeks before your last spring frost date in temperatures between 65, 80°F. This timing gives seedlings a robust head start before transplanting outdoors after frost danger passes.
Set out seedlings or purchased nursery plants after the last spring frost date. Space plants 24, 36 inches apart to allow mature spread. Harden off indoor-started seedlings gradually to outdoor conditions over 7, 10 days before final planting.
Prune lightly in early spring to shape the plant and encourage denser branching, especially in zones 8, 10 where it overwinters. Remove spent flower spikes after bloom fades if you want a tidier appearance, though leaving them extends the garden interest into late fall. In colder regions grown as annuals, minimal pruning is necessary; just let the plant grow naturally to its full 2, 3 foot height.
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“Salvia leucantha hails from the warm regions of Central America and Mexico, where it thrives in native gardens and has been part of the regional flora for centuries. It arrived in cultivation through the ornamental plant trade and has become a mainstay in gardens across warm climates, particularly in the American Southwest where its heat tolerance and drought resilience make it a reliable choice for water-conscious gardeners.”