Signet marigold (Tagetes tenuifolia)
Care, watering, light and tips for Signet marigold on Floravia.
Quick facts
- Family: Asteraceae
- Difficulty: Easy to care for
- Watering: every 3 days
- Light: Full sun
- Temperature: 0–35 °C
About Signet marigold
Tagetes tenuifolia, commonly known as signet marigold or lemon marigold, is a compact, bushy annual plant belonging to the Asteraceae family. It is characterized by its small, abundant bright yellow or orange flowers that cover the plant from early summer until the first frost. It is ideal for borders, pots, and containers, adding a vibrant and cheerful touch to any space.
Native range
Mexico and Central America
Care tips
It requires full sun exposure for abundant flowering and optimal development. Watering should be regular, keeping the soil moist but not waterlogged, especially during dry periods. It prefers well-drained and slightly fertile soils. Avoid over-fertilization, as it can promote foliage growth at the expense of flowers.
How to save a dying Signet marigold
- Warning signs
- Yellow or brown, wilted leaves; no blooms or falling flowers.
- First aid
- Move to partial shade, water if soil is dry. Prune damaged leaves and flowers.
- What kills it
- Overwatering in cold weather or lack of light. Does not tolerate waterlogging.
- Can it be saved?
- Yes, if roots aren't rotted. Improve drainage and sun exposure.