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Collector's item

Salvia lyrata Purple Knockout

Salvia lyrata Purple Knockout
Lyre-leaf Sage

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This plant carries a 12 months recovery warranty

More information

A sage with spikes of small lilac-white flowers.
Height at maturity
40 cm
Spread at maturity
40 cm
Exposure
Sun
Hardiness
Hardy down to -15°C
Soil moisture
Dry soil
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Recommended planting time February to April, September to November
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Flowering time May to July
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Description

Salvia lyrata 'Purple Knockout' is a curious sage forming a flat rosette of ovate leaves resembling those of Ajuga reptans but slightly longer and wider. Quite early, slender stems appear bearing spike-like clusters of very pale lilac-white flowers.

At least 9 plants per square metre are needed to achieve a dense carpet, but its original colour and compact habit make it a valuable plant. We have planted it along the edge of the pathway in our grass garden, between clumps of Imperata cylindrica 'Red Baron' and in front of Lobelia tupa.

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Sages, *salvia*: planting, pruning, maintenance
Family sheet
by Alexandra 19 min.
Sages, *salvia*: planting, pruning, maintenance
Read article

Flowering

Flower colour white
Flowering time May to July

Foliage

Foliage persistence Deciduous
Foliage colour purple

Plant habit

Height at maturity 40 cm
Spread at maturity 40 cm
Growth rate normal

Botanical data

Genus

Salvia

Species

lyrata

Cultivar

Purple Knockout

Family

Lamiaceae

Other common names

Lyre-leaf Sage

Origin

Cultivar or hybrid

Product reference847011

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5,90 € 7/8 cm pot

Available in 2 sizes

Planting and care

Like almost all salvias, it needs very well-drained soil, even dry, rocky and poor, as well as a very bright exposure.

In clayey and moist soil, plant it on sloping terrain or improve the soil with a lot of gravel to help it survive winter.

Planting period

Recommended planting time February to April, September to November

Intended location

Type of use Border
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Planting density 5 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil

Care

Overwinter Can be left in the ground

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