Veronicastrum virginicum 'Lavanderturm' ('Lavender Tower') - CULVER'S ROOT 'LAVANDERTURM'

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'Lavenderturm' is German cultivar of the native wildflower, with light lavender-purple flowers, upright growth with nice vertical structure. Exceptionally attractive to pollinators.

Performs best in full sun and medium moist soil. Tolerates half shade, but will turn towards the light and with too much shade can flop. Provides a strong accent and good vertical height for borders, cottage gardens, pollinator gardens, rain gardens, wild gardens, tall grass prairie gardens.

The best as a background plant with plant companions like Agastache, Echinacea purpurea, Eupatorium fistulosum, Helenium, Helianthus, Heliopsis helianthoides, Ligularia, Monarda, Phlox paniculata, Rudbeckia fulgida, Rudbecia maxima, Sanquisorba canadensis,Thalictrum, Vernonia and grasses like Andropogon gerardii, Panicum virgatum.

And non-native perennials like Alchemilla mollis, Anemone x hupehensis, Bergenia, hardy Geraniums, Iris sibirica, Leucanthemum x superbum, Persicaria amplexicaulis, Sanquisorba, Sedum telephium, Thalictrum or non-native grasses Pennisetum alopecuroides and Molinia ‘Transparent‘ or Molinia ‘Skyscraper‘.

The common name resembles of early 18th century herbalist and physician, Dr. Culver , who promoted the use of the root as a laxative. Native Americans used the root for its properties as a laxative and emetic. They cured typhus and bilious fever, chills, diarrhea, constipation and seizures.

Blooming time : June to August

Size : 5’-6' tall x 2-3' wide, with age forms wider clumps

USDA zones : 3 to 8

Culture: from full sun to half shade, adaptable to most of the soils - acid, alkaline, chalky, clay, loam, fertile soil, neutral, sandy soils. Tolerates only short time droughts.

Moisture Needs : medium, medium-moist, average moisture

Origin: ‘Lavenderturm’ is translated as 'Lavender Tower', sometimes mentioned as 'Lavender Towers' is vegetative (clonal) cultivar, introduced by famous German plant breeder and plantsman Ernerst Pagels in 1998. Garden origin.

The wild form of Veronicastrum virginicum is native to central and eastern part of USA in states from Maine to North Dakota and south to the Florida. Native wildflower in Canada too. Indigenous to moist to mesic black soil prairies, sand prairies, openings and edges of woodlands, thickets, savannas, and swampy meadows along rivers and ditches. Preferably on undisturbed areas.

Deer/rabbit resistant : yes / yes

Attracts Butterflies or Pollinators : yes, 'Lavenderturm' as was proven, is exceptional cultivar, because it attracts more pollinators that the wild forms. Offers nectar and pollen to short- and long-tongued bees like honeybees, bumblebees, Mason bees, Green Metallic bees, Masked bees, and others. Also Sphecid wasps, butterflies, moths, and Syrphid flies and other non-pollinating insects.

Attracts Hummingbirds : no

Pot Size : square 3.5" x 5 deep pot

Picture copyright : Staudengärtnerei Forssman, Flickr