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Artemisia spec

Artemisia spec · Asteraceae

The gardener's calendar

The right move for September

Ideal time to plant artemisia spec: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

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ID card

Family
Asteraceae
Form
Herbaceous
Foliage
Deciduous to semi-evergreen depending on species
Flowering
July to September
Adult size
0.5 to 1.5 m in height depending on species
Growth
Fast
Hardiness
Very hardy (-15 to -20 °C)
Origin
Temperate and Mediterranean regions of Eurasia

Care

Exposure and light

Artemisia thrives in full sun, which promotes vigorous growth and better concentration of essential oils. It tolerates partial shade, but prefers at least 6 hours of direct sunlight daily. Place it in a well-exposed location for optimal air circulation.

Soil and drainage

This herbaceous plant adapts to most soils, but prefers well-drained and rather dry substrate. Poor or stony soils suit it perfectly. Avoid excessive moisture which promotes root rot.

Watering

Water moderately, especially during the first year of establishment. Once established, artemisia tolerates drought and requires little water. Reduce watering in autumn and winter to respect its dormancy period.

Fertilization

Artemisia requires little fertilizer. A light application of compost in spring is sufficient to support its growth. Excessive enrichment dilutes essential oils and weakens the plant against disease.

Pruning and maintenance

Prune the plant in early spring to densify it and remove winter-damaged parts. Light summer pruning can be done after flowering to encourage branching. Wilted stems can be cut to extend its ornamental appearance.

Pests and diseases

Artemisia is very robust and rarely affected by pests thanks to its repellent essential oils. In overly humid conditions, watch for powdery mildew or rust. Good drainage and air circulation are usually sufficient to prevent these problems.

Did you know?

Artemisia has been a midwife's plant since Antiquity: its scientific name derives from Artemis, the Greek goddess of motherhood. In the Middle Ages, it was one of the major components of the famous drink 'mead', highly prized in monasteries and royal courts for its supposed medicinal properties.

Where to buy it

Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.

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Tips generated and checked by Viridia — adapt them to your local climate.