Alnus glutinosa

Q: Planting Guide for Alnus glutinosa

Standard shipping normally takes 3-5 days. Next day shipping is available on all domestic orders (for an additional charge). International shipping times depend on the products and destination (estimated at checkout).

Q: Care guide for Alnus glutinosa

Items must be returned within 30 days after receiving your order. Items must be returned in the same condition in which they were received, be unworn/unused, have any tags still attached, and include all the original packaging.

Q: Uses for Alnus glutinosa & Garden Styles it suits

Refunds are processed within 7 days from when we receive the item(s).

Common Alder

Alnus glutinosa, the Common Alder, is a large deciduous tree known for its rounded bright green leaves and catkins that appear in late winter. Broadly conical in shape, it is ideal for naturalised planting, hedging, and wet soils. It offers excellent wildlife value, supporting pollinators and birds. Hardy and low maintenance, it is a dependable choice for larger Irish gardens.

Flowering Months

Jan J

Feb F

Mar M

Apr A

May M

Jun J

Jul J

Aug A

Sep S

Oct O

Nov N

Dec D

Size

Max Height

12.0 m +

Max Spread

4.0 m — 8.0 m

Growth Habit

Tall, narrow growth habit with strongly vertical main stems.

Planting Position

Sunlight i Indicates how much direct sunlight the plant needs each day. Full sun means 6+ hours, part shade is filtered or morning sun, and full shade is little to no direct sun.

Full Sun

Aspect i Aspect refers to the direction the planting spot faces (north, south, east or west). It affects light levels, warmth and exposure.

North South East West

Exposure i Exposure describes how sheltered or exposed a plant’s position is, particularly to wind and weather.

Exposed / Sheltered

Hardiness i Hardiness indicates how well a plant tolerates cold conditions outdoors. Higher ratings generally mean greater frost tolerance.

(< −20 °C) Extremely hardy

Ideal Soil Conditions

Soil Type i Soil type describes the texture of the soil (clay, sand, loam, chalk). This affects drainage, nutrients and how roots grow.

Chalk Clay Loam

Soil Moisture i Soil moisture tells you how wet or dry the soil should be for best growth. Match this to your garden conditions for healthier plants.

Moist but permeable / Poorly-drained / Free draining

Soil pH i Soil pH measures how acidic or alkaline the soil is. It affects nutrient availability and can impact plant growth.

Acid Alkaline Neutral

Plant Uses & Merits

Uses

Coastal Areas
Hedging / Screening

Merits

Low Maintenance

Alnus glutinosa Description

Planting Guide for Alnus glutinosa

Standard shipping normally takes 3-5 days. Next day shipping is available on all domestic orders (for an additional charge). International shipping times depend on the products and destination (estimated at checkout).

Care guide for Alnus glutinosa

Items must be returned within 30 days after receiving your order. Items must be returned in the same condition in which they were received, be unworn/unused, have any tags still attached, and include all the original packaging.

Uses for Alnus glutinosa & Garden Styles it suits

Refunds are processed within 7 days from when we receive the item(s).

Why Are My Hosta Leaves Turning Yellow or Brown?
Yellowing or browning hosta leaves can mean several different things, from normal autumn die-back to sun scorch, drought, or virus. This guide helps you identify the cause and respond correctly.
Can Hostas Grow in Sun? Which Varieties Tolerate More Light
Hostas are shade-tolerant, not shade-dependent. Discover which varieties handle sun well, what conditions they need, and how Irish gardens are ideal for growing hostas in more light.
How to Grow Hostas in Pots and Containers: The Complete Guide
Hostas are outstanding container plants. Learn how to choose the right pot, compost and position for spectacular results in any Irish garden.
How to Protect Hostas from Slugs and Snails: 10 Methods That Work
10 practical ways to protect hostas from slugs and snails, including better siting, tougher varieties, pots, barriers and early prevention.
How to Grow Hostas in Ireland: The Complete Guide
Hostas are one of the easiest and most rewarding foliage plants for Irish gardens. Here is how to plant, grow and care for them successfully.