Skip to content

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

Download on the App StoreGet it on Google Play

large bindweed
Photo by wordman (CC BY-SA) via iNaturalist

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

Pocket Botanist looks at a photo of your plant and tells you what's wrong and what to try first.

Download on the App StoreGet it on Google Play

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. 1. Dig up the root system in early spring.
  2. 2. Cut the rhizomes into smaller sections.
  3. 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

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

JFMAMJJASOND
Flowering
Fruiting
Foliage

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.

Download on the App StoreGet it on Google Play

Get the app

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.