Salvia 'Purple Knockout'
Salvia lyrata 'Purple Knockout'
Deep purple-maroon foliage from spring onward, with light blue flower spikes above. Deer ignore it, and it thrives with almost no care.
Typically 1 pint–1 gal · $9–$30 · final price at pickup
- Thu, Aug 138 AM – 4 PM
- Fri, Aug 148 AM – 4 PM
- Sat, Aug 158 AM – 2 PM
Deep purple-maroon foliage all season with blue spring flowers. a foliage native that delivers design impact without any extra effort.
'Purple Knockout' is a selection of native lyre-leaf sage chosen specifically for its striking deep purple-maroon foliage that provides color from the moment it emerges in spring. The rosette leaves are deeply lobed (lyre-shaped) and heavily pigmented, making this a foliage plant first and a flowering plant second, though the light blue-lavender flower spikes that rise above the rosette in spring and again after cutting add their own charm. The combination of dark maroon foliage and light blue flowers is one of the more sophisticated native plant color combinations available in a compact perennial. This plant is nearly effortless once established: semi-evergreen, spreading by self-seeding rather than aggressive rhizomes, and thoroughly ignored by deer. It works in containers, at border edges, as a mass groundcover under trees, or planted along path edges where the dark foliage creates a defined edge. Full sun intensifies the purple color; part shade produces larger leaves with a slightly less intense pigmentation. Either way, it's one of the most distinctive foliage natives we carry.
A nursery-grown plant, ready for the ground.
Healthy, container-grown salvia 'purple knockout' propagated on-site at Hill House from regional genetics. Includes a one-page care card. We make every effort to supply plants as listed; occasionally we substitute a similar species of equal value.
- Sun
- Full sun
- Water
- Average
- Mature size
- 1–1.7 ft · 12–18 in wide
- Bloom time
- Spring, summer
- Bloom color
- Lavender, Blue
- USDA zones
- 5–9
- Family
- Lamiaceae
- Native range
- Eastern and central North America from Connecticut south to Florida; dry to mesic open woods, roadsides, disturbed areas
Care notes for salvia 'purple knockout'.
Full to part sun, dry to average well-drained soil. Semi-evergreen; trim off winter-damaged leaves in early spring. Deadhead spent flower spikes to encourage rebloom and control self-seeding. Spreads by self-seeding in open soil. transplant or thin seedlings as desired. Divide rosettes in fall or spring. Drought tolerant once established. Excellent in containers.
Pairs well with these.
Same light, same soil, same wildlife. Janet's picks to plant alongside salvia 'purple knockout'.
Or skip the guesswork.
Curated packages bundle complementary species for an instant habitat. One reservation, one pickup day, a printed layout map.

Short on Space Package
For gardeners who have an abundance of passion but are short on space, this package features tidy, upright, clump-forming natives that behave and function well in small spaces.

Shade Bed Package
Ferns, sedges, and woodland natives that thrive under existing trees.

Birder’s Paradise Package
For the avid bird watchers and budding ornithologists in our community, the Birder’s Paradise Package consists of species that Hill House Nursery staff and longtime native plant advocates such as Doug Tallamy consider ‘premier bird garden plants’.