Common gromwell (Lithospermum officinale)
Care, watering, light and tips for Common gromwell on Floravia.
Quick facts
- Family: Boraginaceae
- Difficulty: Easy to care for
- Watering: every 7 days
- Light: Partial shade
- Temperature: 10–30 °C
- Toxicity: Toxic to pets
About Common gromwell
Lithospermum officinale, commonly known as European stoneseed or Gromwell, is a perennial herb native to Europe and Asia, belonging to the Boraginaceae family. It features upright stems with lance-shaped leaves and small white or yellowish flowers that develop into hard, shiny, stone-like fruits. This plant is an excellent choice for rock gardens or naturalistic borders, adding a wild and delicate touch.
Native range
Europe and Western Asia
Care tips
It prefers full sun to partial shade exposure and well-drained, calcareous, or neutral soils. While drought-tolerant once established, it appreciates moderate watering during dry spells. Avoid waterlogging, as it is susceptible to root rot. A common mistake is planting it in acidic or heavy soils, which hinders its growth.
How to save a dying Common gromwell
- Warning signs
- Wilting, yellowing, or dropping leaves. Sparse or no flowering. Slow or stunted growth.
- First aid
- Check drainage and soil moisture. If dry, water deeply. If waterlogged, repot into well-draining soil. Place in full sun.
- What kills it
- Excessive shade or waterlogged soil. It's very sensitive to poor drainage and insufficient sun. Also sensitive to transplanting.
- Can it be saved?
- Yes, if you act quickly. It's robust given proper conditions. Recovery may take time, but it's possible.