Tagetes

Tagetes is a genus of flowering plants in the sunflower family, native to the Americas and widely cultivated for its colorful flower heads and aromatic foliage.

Asteraceae: A large family of flowering plants whose small florets are grouped into flower heads. Tagetes belongs to this family, whose flower-head structure shapes the familiar marigold bloom.
Companion planting: The practice of growing different plant species together to influence growth or reduce pest damage. Gardeners often plant Tagetes beside crops in attempts to deter pests, though effects vary.
Mesoamerica: A cultural and geographic region extending from central Mexico through Central America. Mesoamerican societies cultivated and used several Tagetes species before European contact.
Mexican marigold: Tagetes lucida, an aromatic perennial herb native to Mexico and Central America. This species shows the genus’s range beyond the familiar large annual garden marigolds.
Día de Muertos: A Mexican holiday honoring deceased relatives and friends, observed around November 1 and 2. Tagetes erecta flowers are widely used to decorate offerings and guide remembrance during the holiday.
Capitulum: A compact flower head composed of many small flowers arranged on a shared base. A marigold’s apparent single bloom is a head of individual florets.
Nematode management: Methods for reducing populations of plant-parasitic nematodes in crops and soil. Some Tagetes species and cultivars suppress certain root-knot nematodes when grown as cover crops.
Aztec marigold: A common name for Tagetes erecta, a species native to Mexico and Central America. Its name reflects the plant’s longstanding presence in the region where Tagetes originated.
French marigold: Tagetes patula, a compact, branching marigold widely grown as an ornamental annual. Its small, often bicolored flower heads are among the best-known garden forms.
Ofrenda: A household or public altar assembled to honor deceased people, especially during Día de Muertos. Marigold blooms commonly decorate ofrendas as offerings and symbols of remembrance.

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