Magnolia grandiflora 'Alta'

Size: 300L
Sale price$1,500.00

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Magnolia grandiflora 'Alta'
Magnolia grandiflora 'Alta' - Evergreen Trees Direct
is a Evergreen (foliage year round)
tree with a Mature Height of 6m - 10m Approximately, and a Mature Width of 6 – 9 meters.
They have a Medium Growth Rate,
with per annum growth of Approx 30 – 50 cm per year (moderate).
Magnolia grandiflora 'Alta' can be used for Feature Tree, Screening or Privacy, Avenue Planting, and Shade Tree.
They tolerate Full Sun.

Magnolia grandiflora 'Alta' - Evergreen Trees Direct

PLANT PROFILE

Magnolia grandiflora 'Alta', known as Alta Southern Magnolia, is a majestic evergreen tree valued for its glossy dark green foliage and large, fragrant white flowers. Growing 10–15 meters tall and 6–9 meters wide, it has an upright, pyramidal form with a well-structured crown.

This cultivar thrives in full sun to partial shade, adapts to various soils, and tolerates urban pollution. It requires moderate maintenance and regular watering during establishment but becomes drought-tolerant over time. Ideal as a specimen or shade tree, Alta Southern Magnolia adds timeless elegance and captivating fragrance to gardens, parks, and urban landscapes.


Mature Height: 6m - 10m Approximately

Mature Width: 6 – 9 meters

Approx 30 – 50 cm per year (moderate)

  • Medium Growth Rate

Feature Planting: Space 6 – 9 m apart for full form and canopy development

Hedging & Screening: Space 3 – 4 m apart for tall, formal evergreen screening

Avenue Planting: Space 5 – 6 m apart for structured, upright silhouette

How to plant Magnolia grandiflora 'Alta'

  • Choose a location with well-drained soil and full sun to partial shade.
  • Dig a hole twice as wide and as deep as the root ball.
  • Amend the soil with compost or other organic matter as needed.
  • Place the tree in the hole and backfill with soil, pressing firmly to eliminate air pockets.
  • Water thoroughly and mulch around the base to retain moisture and suppress weeds.

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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Here Is What Customers Like You Frequently Ask

FAQ

Frequently asked questions

Q: When does Magnolia grandiflora 'Alta' bloom? A: The tree blooms in late spring to summer, producing large, fragrant white flowers.

Q: Is Magnolia grandiflora 'Alta' drought tolerant? A: Yes, the tree is tolerant of drought once established.

Q: What is the mature size of Magnolia grandiflora 'Alta'? A: The tree can reach a height of 12-18 meters and a width of 4-6 meters.

Q: Can Magnolia grandiflora 'Alta' be used as a screen or shade tree? A: Yes, the tree is suitable for use as a screen or shade tree, and its evergreen foliage provides year-round interest.

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