Thyme-leaved sandwort (Arenaria serpyllifolia)
Care, watering, light and tips for Thyme-leaved sandwort on Floravia.
Quick facts
- Family: Caryophyllaceae
- Difficulty: Easy to care for
- Watering: every 7 days
- Light: Partial shade
- Temperature: 10–30 °C
About Thyme-leaved sandwort
Arenaria serpyllifolia, commonly known as Thyme-leaved Sandwort, is a small annual or short-lived perennial herbaceous plant belonging to the Caryophyllaceae family. It features branched stems and delicate, oval-shaped leaves resembling thyme, producing tiny, star-shaped white flowers during spring and summer. It is ideal for rock gardens, wall crevices, or as ground cover in dry, sunny areas, adding a wild and natural touch.
Native range
Europe and parts of temperate Asia
Care tips
This species thrives in full sun or light partial shade, preferably in well-drained and nutrient-poor soils, including sandy or stony types. Watering should be moderate, allowing the substrate to dry out completely between waterings, as it is very susceptible to waterlogging. Avoid excessive moisture in the soil and air, which can lead to root rot and fungal diseases. A common mistake is overwatering, which can be fatal for this drought-adapted plant.
How to save a dying Thyme-leaved sandwort
- Warning signs
- Yellow or brown, wilting leaves, soft stems. Indicates overwatering or severe drought.
- First aid
- Check drainage. If waterlogged, remove plant and dry roots. If dry, water gently.
- What kills it
- Constant waterlogging is fatal. It doesn't tolerate heavy, clayey soils that retain moisture.
- Can it be saved?
- Yes, if you act quickly. It needs very well-draining substrate and moderate watering.