Do willows need a lot of water?

Yes, they thrive in moist soil and are often found near ponds or streams.

Can I plant a willow near my house?

It is best to avoid planting them near pipes or foundations because their roots are very invasive.

Guide botanique

Willow.

Salix L.

Prononciation SAY-liks

fireweed — Photo de Douglas Goldman (CC BY-SA) via iNaturalist

Willows are graceful, moisture loving trees and shrubs known for their sweeping branches and slender leaves. They thrive near water sources and add a soft, elegant texture to any landscape. These plants are fast growers that appreciate plenty of space to spread their roots.

En un coup d'œil

Care level: Easy
Plant type: Deciduous tree or shrub
Light: Full sun to partial shade
Indoor light: bright-indirect
Water: Every 2 to 5 days
Mature size: 10 to 25 meters
Growth rate: fast
Hardiness: USDA 4 to 9
Bloom time: Early to mid spring

Entretien

Keep the soil consistently moist, as these plants suffer quickly if they dry out completely. Watch for pests like aphids or scale that enjoy the lush foliage. Prune during the dormant season to maintain shape and remove any dead wood.

Watering: Keep the soil constantly damp, never allowing it to dry out.
Feeding: Apply a balanced fertilizer once in early spring.
Pruning: Prune in late winter while the tree is dormant.
Repotting: Repot only if the plant is container grown and root bound.
Soil: Loamy, clay, or silty soil
Soil pH: Acidic to neutral
Temperature: -30 to 35°C
Humidity: 40 to 70%
Drought tolerance: low
Lifespan: Perennial, typically 30 to 50 years.
Deer and rabbits: low

Signes qu'il faut rempoter

Roots growing out of the drainage holes.
The plant dries out very quickly between waterings.
Stunted growth during the active season.

Sécurité

People: The bark contains salicylates, which can cause reactions in people sensitive to aspirin.
Pets: Willows contain salicin which can be toxic to cats and dogs if ingested.
Children: The long, flexible branches can pose a strangulation risk if used for play, and the bark should not be chewed.
Contact allergens: The bark and leaves can cause mild skin irritation in sensitive individuals.
Airborne allergens: Willow pollen is a common seasonal allergen that can trigger hay fever.
Edibility: While some willow bark contains salicin, it is not considered a food source and can cause severe stomach upset.

Comment l'identifier

Slender, lance shaped leaves
Flexible, drooping branches
Catkin flowers in spring
Thrives in moist soil
Often found near water

Height: 3 to 25m
Spread: 2 to 15m
Leaves: green, silver, deciduous
Flowers: yellow, green, white, 2 to 5cm

Problèmes courants

Aphids — Small insects that cluster on new growth and suck plant sap.
Willow Blight — A fungal infection that causes black spots on leaves and twig dieback.

La cultiver

Propagation: cuttings
When to plant: spring, autumn
Overwintering: Willows are generally cold hardy and do not require special winter protection. Simply prune away any dead or damaged branches in late winter.
In containers: Willows generally do not thrive in containers due to their massive root systems and high water needs.

Hardwood Cuttings

1. Take a cutting from a healthy branch in late winter.
2. Place the cutting directly into moist soil or a container of water.
3. Keep the cutting consistently wet until roots develop.

Group willows with other moisture loving plants to create a cohesive water garden ecosystem.

Bonnes associations

Dogwood — They share similar moisture requirements and look lovely together in wet sites.
Sedge — These grasses thrive in the same damp conditions and help suppress weeds around the base.

À éloigner de

Oak — Oaks prefer much drier soil and will struggle if planted in the wet conditions a willow requires.

Espèces similaires

Poplar — They share a similar preference for water and have comparable leaf shapes.

Science

Native range: Found throughout temperate and cold regions of the Northern Hemisphere.
Conservation: Most common willow species are not threatened, but some rare native varieties are protected in specific regions.

Willows act as pioneers in wet habitats, stabilizing soil and providing early spring resources for emerging insects.

Value to wildlife: early nectar source, larval host plant
Pollinators: bees, butterflies, moths, beetles
Uses: ornamental landscape tree, erosion control, basket weaving material

Au fil des saisons

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Flowering

Fruiting

Foliage

Repères écologiques

Salinity: 3/9
Soil reaction: 6/9
Light: 7/9
Temperature: 4/9
Moisture: 9/9
Nutrients: 6/9

Ce qu'on demande souvent

Do willows need a lot of water?: Yes, they thrive in moist soil and are often found near ponds or streams.
Can I plant a willow near my house?: It is best to avoid planting them near pipes or foundations because their roots are very invasive.

D'où vient le nom

The name Salix is the ancient Latin name for the willow tree. The common name willow comes from Old English words meaning to bend or twist.

Bon à savoir

Willow bark was historically used to create a tea for pain relief.
The wood is very lightweight and flexible, making it ideal for crafting.
Willows often have deep, aggressive root systems that seek out water sources.

Ton willow a mauvaise mine ?

Cette page est un guide général. Pocket Botanist diagnostique les problèmes directement à partir d'une photo de ta plante, adapte l'arrosage à sa luminosité et te prévient quand il faut t'en occuper.

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Ce guide a été généré par IA et vérifié avec la taxonomie du GBIF. Il s'agit d'informations générales, et non de conseils horticoles ou vétérinaires. Découvre comment nous concevons ces guides.