Herb robert (Geranium robertianum)
Care, watering, light and tips for Herb robert on Floravia.
Quick facts
- Family: Geraniaceae
- Difficulty: Easy to care for
- Watering: every 7 days
- Light: Partial shade
- Temperature: 10–30 °C
About Herb robert
Geranium robertianum, commonly known as Robert Geranium, is an annual or biennial herbaceous plant belonging to the Geraniaceae family, easily recognized by its reddish stems and delicate five-petaled pink flowers. Its deeply lobed leaves often turn reddish or purplish, especially in strong light or cold temperatures. It is ideal for rock gardens, path edges, or as a wild plant in naturalistic gardens, where its presence adds a rustic and colorful touch.
Native range
Europe, Asia, and North Africa
Care tips
This species prefers partial shade or filtered light, although it tolerates some direct sun in cooler climates. Watering should be moderate, keeping the substrate slightly moist but not waterlogged, as it is susceptible to root rot. It adapts to a wide variety of soils, provided they are well-drained and rich in organic matter. A common mistake is planting it in full sun in hot climates, which can lead to leaf scorch and poor growth.
How to save a dying Herb robert
- Warning signs
- Yellowish or reddish leaves, weak and droopy stems, lack of flowering.
- First aid
- Move to partial shade, water moderately if soil is dry, protect from frost.
- What kills it
- Excessive direct sun and intense heat; does not tolerate waterlogging or heavy soils.
- Can it be saved?
- Yes, if you act quickly. It's quite resilient if conditions are corrected.