Plant guide
Large bindweed.
Calystegia silvatica
Pronounced ka-lis-TEE-jee-uh sil-VAT-ih-kuh
Also known as Large Bindweed, shortstalk false bindweed, short-stalked false bindweed, American Bellbine
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This vigorous climber is a common sight in hedgerows and gardens across Europe. It produces beautiful, trumpet shaped white flowers that really stand out against its lush foliage. Just be careful where you plant it, as it can be quite aggressive in the garden.
At a glance
- Care level
- Easy
- Plant type
- Perennial climber
- Light
- Full sun to partial shade
- Indoor light
- Bright indirect
- Water
- Every 7 to 14 days
- Mature size
- 3 to 4 meters
- Growth rate
- Fast
- Hardiness
- USDA 5 to 9
- Bloom time
- Mid summer to early autumn
Care
This plant is very hardy and needs little attention once established, though it often requires a sturdy support structure to climb. Keep an eye on its spread, as it can quickly overtake nearby plants if left unchecked. If you see it venturing into unwanted areas, simply prune it back to keep it contained.
- Watering
- Keep the soil consistently moist but not waterlogged during the growing season.
- Feeding
- A balanced liquid fertilizer applied during the spring and summer helps support its rapid growth.
- Pruning
- Trim back stems throughout the growing season to manage its size and prevent it from smothering other plants.
- Repotting
- Repot only if the plant becomes rootbound in its container, though it is best suited for ground planting.
- Soil
- Well draining, fertile soil
- Soil pH
- Neutral to slightly alkaline
- Temperature
- -29 to 30°C
- Humidity
- 40 to 70%
- Drought tolerance
- Moderate
- Lifespan
- Perennial, typically 5 to 10 years
- Deer and rabbits
- Moderate
Safety
- People
- The plant is generally considered non toxic but can cause mild stomach irritation if ingested.
- Children
- Keep children away from the vines as they can be a tripping hazard or cause minor skin irritation from the stems.
- Edibility
- This plant is not considered edible and may cause digestive upset if consumed.
How to identify it
- Large white trumpet shaped flowers
- Heart shaped green leaves
- Twining stems that climb
- Bracts enclosing the flower base
- Height
- 2 to 4m
- Spread
- 1 to 3m
- Leaves
- green, deciduous
- Flowers
- white, 5 to 8cm
Problems to watch for
- Aphids · Small insects that cluster on new growth and suck plant sap.
Check your large bindweed from a photo
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Growing it
- Propagation
- division, seed
- When to plant
- spring, autumn
- Overwintering
- The foliage will die back completely in winter. You can cut the dead stems to the ground after the first frost.
- In containers
- It is not recommended for containers as it will quickly outgrow them and become unmanageable.
Division
- 1. Dig up the root system in early spring.
- 2. Cut the rhizomes into smaller sections.
- 3. Replant the sections in a new location.
Only plant this near very large, established shrubs that can withstand its vigorous growth.
Grows well with
- Hazel · It provides a sturdy structure for the bindweed to climb.
Similar species
- Field Bindweed · It is a smaller, equally persistent relative.
Science
- Family
- Convolvulaceae
- Genus
- Calystegia
- Order
- Solanales
- Class
- Magnoliopsida
- Native range
- Europe and parts of Asia.
- Conservation
- This plant is common and not of conservation concern.
It thrives in hedgerows and woodland edges where it uses its twining stems to reach sunlight.
- Value to wildlife
- nectar source
- Pollinators
- bees, moths
- Uses
- ornamental climber, ground cover, wildlife garden
Through the year
Ecological indicators
- Salinity
- 1/9
- Soil reaction
- 6/9
- Light
- 7/9
- Temperature
- 5/9
- Moisture
- 6/9
- Nutrients
- 6/9
Taxonomy resolved against GBIF.
Questions people ask
- Is this plant invasive?
- Yes, it is highly aggressive and can be difficult to remove once established.
- Does it need a trellis?
- It benefits from a sturdy support structure to climb.
Where the name comes from
The name Calystegia comes from the Greek words for cup and covering, referring to the bracts around the flower base.
Good to know
- It is a very aggressive grower that can easily take over a garden.
- The flowers open in the morning and close by evening.
- It is often mistaken for morning glory due to its similar flower shape.
Keep your large bindweed growing
This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.
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This guide was generated with AI on and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.
