Grey Willow

salix atrocinerea

Also known as: ["Grey Sallow","Dark-grey Willow"]

Family: Salicaceae Genus: Salix Category: Trees

Overview

A deciduous shrub or small tree native to Western Europe, characterized by its greyish-brown bark and slender, drooping branches.

Benefits & Perks

["wildlife attractant (bees, butterflies, birds)","shade tolerant"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Malpighiales
Family: Salicaceae
Genus: Salix
Botanical Name: Salix atrocinerea

Plant Characteristics

Basic Information
  • Category: Trees
  • Suitable Location: outdoor garden, near water bodies or in moist lowlands
  • Suitable For:
    Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"–15–30°C"}
  • Hardiness: {"zones":"5–8"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Moderate to well-draining; avoid waterlogged soil.
  • Soil Type: Rich, loamy soil with good organic matter; tolerates moist but well-drained conditions.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: moderate
  • Pruning Frequency: Annually in late winter or early spring before new growth begins.
  • Pruning Intensity: Moderate; remove up to one-third of old growth if necessary.
Care Details

Ideal Sunlight Coverage:
Full sun to partial shade; 6–8 hours of direct sunlight daily, with some afternoon shade in hot climates.

Sunlight Tolerance Tips:
Acclimate gradually to intense sunlight; protect from harsh midday sun; adjust placement based on seasonal light changes.

Warning Signs: Yellowing leaves (overwatering or poor drainage); stunted growth (nutrient deficiency or compacted soil).

Care Requirements

Care Difficulty
moderate

moderate

Sunlight

full sun to partial shade

Morning sun is ideal; provide shade during peak heat; rotate plant for even growth.

Watering

every 7–10 days during active growth, reduce in winter

Water thoroughly but infrequently; ensure good drainage; adjust based on season and weather.

Soil

moist, fertile, well-drained loam

pH: Slightly acidic to neutral (pH 6.0–7.0).

Ensure good drainage; enrich with organic matter; avoid compacted soil.

Temperature

Hardy in USDA zones 4–8; tolerates cold winters and moderate summers; prefers temperatures between 60–75°F (15–24°C) during active growth.

Protect from frost; avoid sudden temperature swings; ensure good air circulation.

Fertilizing

every 4–6 weeks during spring and summer

Fertilize only during active growth; dilute liquid fertilizer to half strength; stop fertilizing in fall.

Propagation

Methods

Softwood cuttings in late spring or early summer.

Step-by-Step Propagation Guide
  1. Take 4–6 inch cuttings.
  2. Remove lower leaves.
  3. Dip in rooting hormone.
  4. Plant in medium.
  5. Maintain humidity.

Best Time: Late spring to early summer when new growth is firm but not woody.

Environment

High humidity (70–80%), warm temperatures (65–75°F), and indirect light.

Medium

Peat-based mix with perlite or sand for good drainage.

Hormone

Rooting hormone is recommended to improve success rates.

Timeline

Roots typically form in 4–6 weeks; establish in new pot after 3–4 months.

Tools Needed

Pruning shears, rooting hormone, small pots, misting spray bottle.

Quick Tips

Use healthy, non-flowering stems; keep soil consistently moist; provide bottom heat if possible.

Pruning & Repotting

Pruning Guide
Method

Thinning cuts to open the canopy; heading cuts to encourage branching.

Pruning Plan

Shape the tree, remove dead or crossing branches, and encourage healthy growth.

Tools

Pruning shears, loppers, saw for larger branches, disinfectant.

Checklist

Disinfect tools; prune dead/diseased wood first; make clean cuts just above buds.

Repotting Guide
Best Season

Early spring before active growth starts.

Pot Size

Increase pot size by 2–3 inches in diameter if repotting.

Method

Remove plant gently; trim roots if crowded; repot in fresh, well-draining soil; ensure good drainage.

Suggestions

Generally not required unless grown in containers; repot every 2–3 years if needed.

Checklist

Use fresh soil; check root health; ensure drainage holes are clear; water after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure drainage; adjust for season.

How to Apply Water Properly

Water at the base of the plant, ensuring moisture reaches the root zone; allow excess water to drain away; water early in the day to minimize evaporation.

Pro Tip: Use a soaker hose to deliver water directly to the roots, reducing waste and fungal risk.
Watering Schedule Tips

Water deeply once the top inch of soil feels dry; reduce frequency in winter to prevent root rot.

Soil Improvement

Add compost or well-rotted manure; incorporate perlite or sand for drainage; mulch to retain moisture.

Temperature Stress Management
Signs of Temperature Issues

Leaf scorch in excessive heat; dieback or delayed bud break in cold stress.

Cold Stress

Leaves may wilt or turn yellow; growth slows or halts; branches may die back in severe cold.

Solution: Mulch heavily around the base; protect from harsh winds; avoid overwatering in cold weather.

Hot Stress

Wilting, leaf drop, or scorched leaves; reduced vigor in prolonged heat.

Solution: Provide shade during peak heat; increase watering; use mulch to retain soil moisture.

Fertilizing Guide
Fertilizing Checklist

Use balanced fertilizer; apply in spring; avoid late-season feeding.

Fertilizing Method

Use a balanced, slow-release fertilizer in early spring; avoid over-fertilizing, especially in late summer.

Common Problems & Solutions

Yellowing leaves in Salix atrocinerea may indicate nutrient deficiencies, water stress, or disease, affecting photosynthesis and overall plant health.

Wilting in Salix atrocinerea is often due to water stress, root damage, or pest infestations, leading to reduced turgor pressure and impaired nutrient uptake.

Leaf spots on Salix atrocinerea are typically caused by fungal or bacterial pathogens, leading to reduced photosynthetic efficiency and potential leaf drop.

Rotting, particularly root or stem rot, can occur in Salix atrocinerea due to excessive moisture or fungal infections, causing decay and structural weakness.

Toxicity Warning

Cats
Slightly Toxic

Cats are sensitive to salicylates and may exhibit mild gastrointestinal symptoms if they ingest parts of Salix atrocinerea. The toxic effects are generally mild but should be monitored.

⚠️ Symptoms:
vomiting diarrhea depression
🌿 Toxic Parts:
bark leaves catkins
⚡ Toxic If:

if eaten

Prevent cats from accessing the plant. Seek veterinary advice if ingestion is suspected or symptoms occur.
Dogs
Slightly Toxic

Dogs may experience mild gastrointestinal upset if they consume parts of Salix atrocinerea due to the presence of salicylates. The effects are typically not severe but can cause discomfort.

⚠️ Symptoms:
vomiting diarrhea lethargy
🌿 Toxic Parts:
bark leaves catkins
⚡ Toxic If:

if eaten

Keep dogs away from the plant. If ingestion occurs, monitor for symptoms and consult a veterinarian if they persist.
Humans
Slightly Toxic

Salix atrocinerea, commonly known as grey willow, contains salicylates which can cause mild gastrointestinal distress and potential allergic reactions in sensitive individuals. The physiological impact is generally limited to mild irritation of the digestive tract.

⚠️ Symptoms:
nausea vomiting diarrhea abdominal pain
🌿 Toxic Parts:
bark leaves catkins
⚡ Toxic If:

if eaten

Avoid ingestion of any parts of the plant. Wash hands after handling to prevent accidental ingestion.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: Is Salix atrocinerea suitable for small gardens?

A: It can be suitable if pruned regularly, but it tends to grow into a larger shrub or small tree.

Q: Does Grey Willow require a lot of water?

A: It prefers moist soil but can tolerate some drought once established.

Q: Does this plant attract wildlife?

A: Yes, it is known to attract bees, butterflies, and birds.

Quick Reference
Family: Salicaceae
Care: moderate
Light: full sun to partial shade
Water: every 7–10 days during activ
Suitable For: ["outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
Get Expert Care Tips

Download the Plantious app for personalized care reminders and plant identification!

Google Play App Store
Share This Plant

Related Plants

Violet Willow
View
Lagger's Willow
View
White Casearia
View
Swiss Willow
View