Skip to content

Althaea officinalis

True Mullein

Common names: Medicinal Mullein, White Mullein

True Mullein

This description was machine-translated.

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
HardinessHardy
Water needHigh

Feeding

Medium feeder

Diseases & pests

2 relevant

From the knowledge base, automatically linked by affected species. How to spot and prevent them is covered in full in the lexicon.

PestlowApr–Sep
Firebug

Pyrrhocoris apterus

The firebug (Pyrrhocoris apterus) is a noticeable, red-black patterned bug that likes to gather in large groups on sunny warm spots, often directly on the trunk of Stockrose, Malve, Eibisch, or…

More on Firebug
DiseasemediumMay–Oct
Hollyhock rust

Puccinia malvacearum

Hollyhock rust is caused by the fungus Puccinia malvacearum and attacks hollyhocks, mallows, marshmallow and mallow grown as a vegetable.

More on Hollyhock rust

Notes from real gardens

What other gardeners have written down about this variety, anonymous and voluntary.

No notes shared yet. Will you be the first to write one down?

If you want to write your own notes, sign in or create an account.