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Shallot
Allium cepa var. aggregatum
Overview
The gourmet onion of French cuisine, shallots have a sweet, complex, wine-like flavor that is less harsh than common onions. They grow in clusters of elongated bulbs, multiplying underground like garlic. Shallots are the foundation of countless French sauces, vinaigrettes, and mignonettes, and their subtle flavor allows them to be used raw where onions would be too strong.
Shallot (Allium cepa var. aggregatum) is a member of the Allium genus, which comprises over 1,100 species of monocotyledonous flowering plants. As with other members of this large and diverse group, shallots are characterized by their distinctive onion-like appearance and aroma.
Plants in the Allium genus typically feature fleshy, underground bulbs that serve as their primary means of propagation. These bulbs are composed of concentric layers of scales, which store nutrients for the plant's growth and development. Shallots, like other species within this group, produce these bulbs at the end of their growing season, allowing them to survive through periods of dormancy and regenerate when conditions are favorable.
The leaves of Allium plants, including shallots, emerge directly from the base of the bulb and grow in a linear or strap-like manner. These leaves can be quite variable in size and shape among different species but generally serve as the primary means of photosynthesis for the plant.
Appearance
Flowering in the Allium genus is characterized by the development of scapes – elongated, stem-like structures that support the inflorescence. This inflorescence typically takes the form of a umbel, a round cluster of flowers arranged on a central point. Flowers within the Allium family are usually star-shaped and feature six petals, with colors ranging from white to pink or even purple.
Medicinal
Many species within the Allium genus, including shallots, have been cultivated for thousands of years due to their culinary and medicinal properties. These plants are known for their pungent aroma and flavor, which is attributed to the presence of sulfur-containing compounds in their tissues. The edible portions of Allium plants can vary from the bulbs themselves (as with onions and shallots) to leaf sheaths (leeks), immature flower stalks (scallions), or even the small bulblets that form along the base of the inflorescence (chives).
Growing Conditions
Habitat & Range
- Habitat
- Meadows & Open Areas
- Native Range
- also native to Turkmenistan; introduced in 13 US states
- Cultivation Region
- Temperate regions
Botanical data via projectGAIA.
Companion Planting & Soil
Good Companions
Avoid Planting Near
Planting Calendar
When to sow, transplant, and harvest by growing zone.
| Zone | Action | Months | Notes |
|---|---|---|---|
| Cold (1-2) | Direct Sow | Sep — Oct | Plant sets in fall; mulch before freeze |
| Cold (1-2) | Harvest | Jul — Aug | Harvest when tops yellow and fall over; cure 2 weeks |
| Cool (3-4) | Direct Sow | Sep — Oct | Plant sets in fall; can also plant spring |
| Cool (3-4) | Direct Sow | Mar — Apr | Spring planting alternative; smaller bulbs |
| Cool (3-4) | Harvest | Jun — Jul | Harvest when tops fall; cure in dry shade |
| Moderate (5-7) | Direct Sow | Oct — Nov | Plant sets in fall for largest bulbs |
| Moderate (5-7) | Harvest | May — Jul | Harvest when foliage dies back |
| Warm (8-9) | Direct Sow | Oct — Dec | Plant sets fall through early winter |
| Warm (8-9) | Harvest | Apr — Jun | Harvest when tops yellow |
| Hot (10+) | Direct Sow | Nov — Jan (wraps) | Plant in late fall; short-day varieties best |
| Hot (10+) | Harvest | Apr — May | Harvest in spring |
Uses
Culinary
- Foundation of French sauces (béarnaise, beurre blanc)
- Minced raw in mignonette sauce and vinaigrettes
- Caramelized or roasted whole as a side dish
Medicinal
- Allicin compounds support cardiovascular health
- Rich in quercetin with anti-inflammatory properties
- Good source of vitamin B6 and manganese
Other Uses
- Multiplying bulbs — each planted shallot produces a cluster
