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Althaea officinalis

True Mullein

Common names: Medicinal Mullein, White Mullein

True Mullein

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Description

The true mullein grows over one meter tall and produces delicate pink to white flowers in midsummer on velvety hairy foliage. Its slime-rich root was historically used to make a sweet treat. It is a stately, winter-hardy plant that thrives in damp sites.

Care instructions

Sow from March or plant in a sunny spot with deep, moist soil; it prefers moist conditions and should be watered abundantly during hot weeks. Harvest leaves and flowers in summer, roots in the second or third year in late autumn. Cut the plant back close to the ground in winter.

Soil & site

Soil pH

4.0pH 6–88.0

Soil type

loamy, humus-rich, moist, nutrient-rich, lime-loving

LightFull sun
Hours of sunat least 6 h a day
HardinessHardy
Water needHigh

Feeding

Medium feeder

Months

Mar–Apr

Propagation

Methods

  • From seed
  • Division
  • Cuttings

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