Making your own génépi: from picking to maceration
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The desire to make homemade genepi maceration is one of the most rewarding artisanal projects for lovers of alpine plants and mountain traditions. The tradition of family genepi — domestic maceration prepared each autumn in Savoyard chalets with plants picked at high altitudes — is one of the most beautiful in French alpine culture. This article guides you through this fascinating project: from picking alpine artemisia to maceration, and even a comparison with De Michellot Genepi Liqueur 35% vol, an artisanal benchmark for understanding what a quality genepi should be.
Genepi plants: identification and regulation
Genepi refers to several species of alpine artemisia of the genus Artemisia, mainly Artemisia genepi (black genepi), Artemisia umbelliformis (white genepi), and Artemisia glacialis (glacier genepi). These plants grow at high altitudes, generally between 1800 and 3500 meters in the French, Swiss, and Italian Alps. They are distinguished from other artemisias by their smaller size (5-15 cm), their finely cut leaves covered with a silvery down, and their flowering in small yellow heads in July-August. Identification is crucial before picking: only pick plants that you have formally identified as alpine artemisias. From a regulatory point of view, personal picking for non-commercial purposes is tolerated outside protected areas (national parks, nature reserves), in reasonable quantities. De Michellot Genepi Liqueur 35% vol is the reference for understanding what the final aromatic profile of a good alpine artemisia genepi should look like.
Picking genepi: season, altitude, method
Genepi picking for homemade maceration takes place between July and September depending on the altitude and weather. The plants should be harvested in flower or just before full bloom — this is when the concentration of essential oils (camphor, thujone, cineol) is at its maximum. Picking is done by cutting the floral stems with clean scissors, without uprooting the plant. For 1 liter of maceration, you need about 30 to 60 floral stems depending on the species and the desired intensity. Never harvest more than a third of the stems of a single plant to allow it to regenerate. Plants harvested at high altitudes (above 2000 m) are generally more concentrated in active ingredients than those from lower altitudes. Lightly dry the plants in the open air for 12-24 hours before maceration to slightly concentrate the aromas.
Homemade Genepi Maceration Recipe
For 1 liter of homemade genepi:
- 40 to 60 dried alpine artemisia floral stems (dried for 24 hours)
- 70 cl of neutral alcohol at 40-45% vol (quality brandy or diluted food-grade pure alcohol)
- 30 cl of water
- 200 to 300 g of granulated sugar (depending on desired sweetness)
- A minimum 1-liter airtight glass jar
Place the floral stems in the airtight glass jar. Pour the neutral alcohol over the plants. Close tightly and let macerate away from direct light, at room temperature (15-20°C), for 4 to 8 weeks. Gently shake the jar every 3-4 days. After maceration, filter through a coffee filter or a fine muslin cloth to remove plant residues. Prepare a simple syrup: dissolve the sugar in lukewarm water. Once cooled, incorporate the syrup into the filtered macerate. Adjust the final alcohol content with water if necessary to reach approximately 35% vol (similar to De Michellot Genepi Liqueur). Bottle in a clean bottle and let rest for at least 2 weeks before tasting to allow the aromas to harmonize.
Compare your homemade genepi with De Michellot genepi
Once your homemade genepi is ready, a comparative tasting with De Michellot Artisan Genepi Liqueur 35% vol is a very instructive experience. Serve both in identical glasses, at the same temperature (14-16°C). Visually: your homemade genepi is often greener or duller than the artisanal liqueur — this is normal, home filtration is less precise. On the nose: the camphor-menthol notes are present in both, but the De Michellot liqueur offers a more harmonious and refined profile, the result of careful raw material selection and perfected maceration process mastery. On the palate: your homemade genepi may have more rusticity, more raw vegetal notes — which is a quality, not a defect. This is the charm of authentic homemade. This comparison will allow you to adjust your homemade recipe for subsequent batches.
Common mistakes in homemade genepi maceration
Making homemade genepi maceration is simple in principle but requires some precautions to avoid common mistakes. First mistake: using overly fresh plants without prior drying — the excess water in fresh plants dilutes the alcohol and can unbalance the maceration. Solution: dry for 24-48 hours at room temperature. Second mistake: macerating for too long (more than 10 weeks) — the plants begin to release undesirable compounds (tannins, degraded chlorophyll) which give bitter greenish notes. Solution: adhere to the 4-8 week window. Third mistake: insufficient filtration — remaining fine plant particles give an unappetizing cloudy appearance. Solution: double filtration (fine sieve + coffee filter). Fourth mistake: poor quality base alcohol — the alcohol transmits its own aromatic defects to the maceration. Invest in a quality neutral alcohol. De Michellot Genepi Liqueur avoids all these errors by definition.
Why order De Michellot liqueur even if you make your own genepi
Making your own homemade genepi and buying De Michellot artisanal genepi liqueur 35% vol are not exclusive activities — they are complementary. Homemade genepi has the charm of authenticity, made by your own hands with plants you have picked — an incomparable experience and legitimate pride. De Michellot liqueur has the consistency, refinement, and reproducibility of a professional artisanal product — perfect for cocktails that require a precise profile and for gifting to loved ones. Many homemade genepi enthusiasts keep a bottle of De Michellot as a reference and as a backup when their own production runs out. Both have their place in a serious connoisseur's cellar.
Discover other De Michellot artisanal liqueurs
If the project of making your own homemade genepi has introduced you to the craft of herbal liqueurs, discover the entire De Michellot range. The gentian liqueur 24% vol from Auvergne is another hand-harvested alpine plant, whose artisanal maceration is also possible but even more demanding (the root requires years of growth). The verbena liqueur 30% vol from Velay can be inspired by the same maceration principle with fresh verbena leaves (more accessible in the garden). The elderflower liqueur 20% vol can also be made at home with fresh seasonal flowers. Each De Michellot liqueur is an invitation to understand the artisanal process behind the bottle.
View the entire De Michellot collection →
Frequently Asked Questions about Homemade Genepi
How long does homemade genepi keep?
A properly prepared homemade genepi (filtered, hermetically bottled, stored away from light) will keep for 2 to 4 years without significant loss of aroma. At 35% vol, the alcohol effectively protects against oxidation and bacterial contamination. De Michellot artisanal genepi liqueur 35% vol keeps under the same conditions with the same longevity — approximately 3 to 5 years after opening if stored correctly.
Can you grow genepi in your garden for maceration?
Cultivating genepi (Artemisia umbelliformis) in a garden is possible in cool, well-drained regions, but plants grown at lower altitudes often have a less concentrated aromatic profile than wild high-altitude plants. The volcanic-calcareous soil and the thermal amplitude of the Alps contribute to the concentration of essential oils. In a lowland or hillside garden, you will get a cultivated genepi that is slightly less intense than wild high-altitude genepi. For a maceration result of comparable quality to De Michellot liqueur, wild high-altitude genepi remains the best source.
Is homemade genepi maceration legal in France?
In France, the production of homemade liqueurs for personal use is in a legal gray area. Distillation is strictly regulated and reserved for authorized "bouilleurs de cru" (private distillers). However, maceration (infusion of plants in legally purchased alcohol) for personal and non-commercial use is generally tolerated. Never commercialize your homemade genepi — this would require production and marketing authorizations. Always purchase your base alcohol legally. For personal consumption or sharing with loved ones, genepi maceration is a respectable French alpine tradition.
How many plants for a well-flavored homemade genepi?
For 1 liter of well-flavored homemade genepi, count 40 to 60 dry alpine Artemisia floral stems. Below 40 stems, the maceration will be light and not very aromatic. Above 80 stems, the result can become excessively camphorated and slightly bitter. De Michellot Genepi Liqueur 35% vol is your best reference for calibrating the desired intensity: taste it before starting your maceration to have a precise aromatic target.
Alcohol abuse is dangerous for your health. Consume in moderation. Sale forbidden to minors.
