Giant bindweed (Calystegia silvatica)
Care, watering, light and tips for Giant bindweed on Floravia.
Quick facts
- Family: Convolvulaceae
- Difficulty: Easy to care for
- Watering: every 7 days
- Light: Partial shade
- Temperature: 10–30 °C
- Toxicity: Toxic to pets
About Giant bindweed
Calystegia silvatica, commonly known as Large Bindweed, is a fast-growing perennial herbaceous vine native to Europe and the Mediterranean. It is characterized by its large, trumpet-shaped white flowers that can reach up to 9 cm in diameter, and its bright green leaves. It is ideal for covering fences, walls, or pergolas, and can be an attractive option for cottage-style gardens, though its vigorous growth requires management.
Native range
Mediterranean region (southern Europe, North Africa, and the Middle East)
Care tips
It prefers full sun to partial shade and well-drained soils, although it is adaptable to a wide variety of conditions. Watering should be moderate, allowing the substrate to dry slightly between waterings, and more frequent during dry periods. It is crucial to control its spread through regular pruning, especially if grown in an environment where it might compete with other plants. A common mistake is to underestimate its growth capacity, which can lead to it becoming invasive if not properly managed.
How to save a dying Giant bindweed
- Warning signs
- Yellowing or wilting leaves, weak stems, sparse or no flowering.
- First aid
- Transplant to a better-draining spot or larger pot. Add rich compost. Prune dry stems.
- What kills it
- Overwatering that rots its roots, or very poor, compacted soil hindering its spread.
- Can it be saved?
- Yes! It's very resilient. With good drainage and nutrients, it will recover.