Alnus jorullensis - Mexican alder

Size: 40cm/45L
Sale price$250.00

Alnus jorullensis – Mexican Alder is a fast-growing, deciduous tree native to Mexico and Central America. With its upright form, lush serrated foliage, and nitrogen-fixing roots, it’s a standout option for adding structure, shade, and ecological value to open landscapes.

Reaching 15–20 metres tall and 10–15 metres wide, Alnus jorullensis – Mexican Alder suits large gardens, windbreaks, and shelterbelts where quick coverage and soil improvement are needed. Its dark green leaves shift to yellow in autumn, and its adaptability to both wet and dry soils makes it highly versatile.

Alnus jorullensis – Mexican Alder looks excellent in parks, revegetation zones, or as a specimen tree, supporting wildlife while enhancing biodiversity with minimal upkeep.


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About This Tree

Botanical Profile

Explore the essential characteristics and growth habits of this plant, curated to assist you in making an inspired and confident choice for your landscape.

Mature Height & Width

Mature Height

15 m – 20 m

Mature Width:

10 m – 15 m

Expected Growth Pear Year

70 – 120 cm/year

  • Fast Growth Rate
Evergreen/ Deciduous

Deciduous (Defoliates throughout colder months)

Frost Tolerance

Frost Hardy – Survives heavy and frequent frost without damage.

Sunlight Tolerance
  • Full Sun
  • Part Shade
Form & Shape

Alnus jorullensis - Mexican alder is considered:

  • Upright
  • Broad
  • Rounded
Australian Native?

No

Flowering Information

Flower Colour: Not Applicable

Flower Type:

  • Not Applicable

Flowering Period

  • Winter
  • Spring
Foliage Type / Shape
  • Serrated

As Featured In

Here Is What Customers Like You Frequently Ask

FAQ

Q. What is Mexican Alder best used for?
A. It’s ideal for shade, windbreaks, and large-scale planting, with added benefits for biodiversity and soil improvement.

Q. How fast does it grow?
A. Very fast — up to 70–120 cm per year in ideal conditions.

Q. Does it tolerate wet soil?
A. Yes — it thrives in moist to waterlogged soils and improves soil quality by fixing nitrogen.

Q. What does its foliage look like?
A. Serrated, dark green leaves that turn yellow in autumn before dropping.

Q. Is it drought tolerant?
A. Moderately — it requires regular watering during establishment and becomes more drought-tolerant with age.

Q. What shape does the tree take?
A. It starts pyramidal when young and becomes rounded as it matures.

Q. Does it require much maintenance?
A. No — it is a low-maintenance tree well-suited for larger spaces and ecological planting.

About

Planting Guide

Plant Spacing

Hedging & Screening: 3 m – 4 m – Suitable for rural shelter planting
Feature Tree: 6 m – 8 m – Provides fast vertical coverage and shade
Avenue Planting Trees: 6 m – 8 m – Used for large-scale, upright avenues

How to Plant Alnus jorullensis - Mexican alder

Planting Tips: Ensuring a Strong Start

  1. Location: Choose a site with full sun to part shade and good air circulation.
  2. Planting Depth: Dig a hole twice the width of the root ball and as deep as the root ball itself.
  3. Soil Preparation: Amend heavy or poor soil with compost to encourage strong root development.
  4. Spacing: Plant 5m - 10m apart for individual trees, closer for windbreaks.
  5. Watering: Water deeply after planting and regularly during the establishment phase.

Root Ball Dimensions (Width × Depth) For Planting

Use this as a reference when digging your planting hole. We recommend digging at least 10% wider than the dimensions below to encourage strong root development.

  • 30cm Pot: 33cm (W) × 30cm (D)
  • 40cm/45L Pot: 44cm (W) × 41.5cm (D)
  • 50cm Pot / 70L Pot: 55cm (W) × 41.8cm (D)
  • 100L Bag: 50.6cm (W) × 52.8cm (D)
  • 150L Bag: 66cm (W) × 55cm (D)
  • 200L Bag: 71.5cm (W) × 60.5cm (D)
  • 300L Bag: 88cm (W) × 63.8cm (D)
  • 400L Bag: 99cm (W) × 66cm (D)
  • 500L Bag: 122cm (W) × 66cm (D)
  • 750L Bag: 134cm (W) × 69cm (D)
  • 1000L Bag: 146.3cm (W) × 71.5cm (D)
  • 2000L Bag: 176cm (W) × 82.5cm (D)

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