Artemisia mutellina
Artemisia mutellina · Asteraceae
The gardener's calendar
Artemisia mutellina is in full bloom: enjoy it, watch watering in hot weather and let spent flowers feed pollinators before pruning.
ID card
- Scientific name
- Artemisia mutellina
- Family
- Asteraceae
- Type
- Perennial herbaceous plant
- Adult height
- Approximately 30 cm
- Foliage
- Deciduous to semi-evergreen, finely cut and silvery
- Flowering
- August and September, small pale yellow flowers
- Hardiness
- Very hardy, down to -20 °C
- Origin
- Alps and Pyrenees
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability high.
Expert tips
The key tip
Artemisia mutellina loves full sun and very well-drained, poor, rocky soil. No watering needed after establishment.
The common mistake
Moisture-retaining soil or regular watering: rot and decline are guaranteed.
The pro's trick
Plant in a rock garden or pot with a very mineral mix of gravel, sand, and light potting soil.
Seasonal watch
Wet autumn-winter: check drainage, otherwise raise slightly or grow in a pot.
Care
Exposure
Black genepy requires full sun exposure to thrive and develop its full aromatic intensity. Installed in a bright location for at least 6 hours per day, it will flower generously. Avoid shade, which weakens the plant and promotes tissue rot.
Watering
This is a xerophilic plant that fears excess water: moderate watering at planting time is sufficient. Once established, water sporadically in summer during prolonged dry spells. In winter and rainy periods, water very little to avoid root rot.
Soil
Black genepy prefers well-draining, rather poor and rocky soil, mimicking its natural mountain habitat. A substrate made of light soil mixed with gravel or coarse sand is ideal. Avoid overly rich potting soils that promote soft growth and disease susceptibility.
Pruning and cutting
Prune lightly after flowering (October) to maintain a compact form and encourage balanced branching. You can harvest the flowering tops before they fully open, which stimulates the plant. Avoid severe pruning that could weaken the plant.
Fertilizer
Black genepy requires virtually no fertilizer: its natural mountain environment is low in fertility. A very modest application in spring is more than sufficient. Excess nitrogen would promote soft foliage at the expense of flowering and aromaticity.
Diseases and pests
Although robust, black genepy can suffer from root rot in soil that is too wet or poorly drained. Occasional aphids can be rinsed off with water. Encourage air circulation and strictly respect drainage to prevent fungal problems.
Did you know?
Black genepy, renowned since antiquity in the Alps, was traditionally used to prepare a digestive liqueur. In mountain regions, it symbolizes resilience: capable of taking root in scree and the most hostile rocky slopes, it embodies botanical adaptation to extreme conditions. Its intensely spicy aroma remains one of the olfactory signatures of high alpine pastures.
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.