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Salvia lyrata 'Purple Knockout' (Lyre-leaf sage)

Salvia lyrata 'Purple Knockout'

Lyre-leaf sage

Grown mainly for the foliage, 'Purple Knockout' has compact basal rosettes of shiny burgundy leaves that turn to deep purple in summer, then to red in the fall. Spikes of pale lilac-blue flowers appear in spring and summer, but sometimes the flowers have only calyces and no petals. We have not been able to determine the cause of this, but a cut back of the stems promotes new blooms that often have petals the second time around. Petals or no, the flowers are attractive to bees and butterflies. Very easy to grow in just about any soil, it will self sow to spread and become a dense groundcover that makes a great native substitute for Ajuga.

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Salvia lyrata 'Purple Knockout' - 50 per flat $33.08
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Height

18 Inches

Spread

12 Inches

Bloom Color

Light Blue

USDA Hardiness Zone 6-9

Salvia lyrata 'Purple Knockout' Growing and Maintenance Tips

S. lyrata is native to the wood's edge, thickets and tall meadows of the eastern US. It prefers average to wet, clay or sandy soils in full sun. Drought and humidity tolerant. Cut back flower stalks if no petals appear and it will rebloom.

Key Characteristics & Attributes

Butterflies
Butterflies
Hummingbirds
Hummingbirds
Full Sun
Full Sun
Part Sun
Part Sun
Average
Average
Moist
Moist
Dry
Dry
Groundcover
Groundcover
Drought Tolerant
Drought Tolerant

Additional Information

Season of Interest (Flowering)
Late Spring / Early Summer
Propagation Type
Seed cultivar
Attributes
Meadow
Ornamental Foliage
Dry Sun
Moist Sun
Native to North America