• Feature Tree
• Screening or Privacy
• Avenue Planting
• Shade Tree

Magnolia grandiflora 'Alta' works in an:

• Formal Garden – structured, symmetrical design with clipped shapes.
• Modern Garden – sleek, minimal, and design-led planting.
• Cottage Garden – romantic mix of flowers, colour, and texture.
• Low-maintenance Garden – resilient choices for easy care and year-round appeal.

Magnolia grandiflora 'Alta' is an Evergreen (foliage year round) Tree

Mature Height: 6m - 10m Approximately

Mature Width: 6 – 9 meters

Magnolia grandiflora 'Alta' is expected to grow Approx 30 – 50 cm per year (moderate).

Magnolia grandiflora 'Alta' is expected to grow Approx 30 – 50 cm per year (moderate).

They are considered to have a:

• Medium Growth Rate

Is Magnolia grandiflora 'Alta' frost tolerant?

Magnolia grandiflora 'Alta' is Frost Tolerant – Can handle light to moderate frost once established.

• Subtropical QLD (Brisbane, Gold Coast, Sunshine Coast)
• Inland QLD (Darling Downs, Central QLD)
• Northern NSW (Byron, Coffs, Armidale)
• Sydney & Central Coast
• South Coast NSW (Illawarra to Bega)
• Inland NSW / Tablelands (Orange, Bathurst, Canberra)
• Melbourne & Surrounds (Metro, Bayside, Geelong, Bellarine, Mornington)
• Western District & Central VIC (Ballarat, Bendigo, Hamilton)
• Gippsland (Latrobe Valley, East Gippsland)
• Adelaide Metro & Coastal
• Adelaide Hills & Barossa

Magnolia grandiflora ‘Alta’ produces large, creamy-white, lemon-scented flowers from late spring through summer, with intermittent blooms into early autumn. The upright, cup-shaped flowers stand out beautifully against the dense, glossy green foliage, creating a refined and long-lasting seasonal display.

Does Magnolia grandiflora 'Alta' flower?

• Yes - Flowers

Flowering Period:

• Summer
• Autumn

Flower Type:

• Bell-shaped
• Clustered
• Pollinator-attracting

Flower Colour:

White

No

Magnolia grandiflora 'Alta' is Native to A cultivated form of Magnolia grandiflora, which is native to the southeastern United States, where it grows naturally in moist forests and coastal plains.

Its large, nectar-rich flowers attract bees, beetles and pollinating insects, while the dense evergreen canopy provides year-round shelter and nesting habitat for small birds. The seeds that develop within the fruiting cones are also eaten by birds and contribute to garden biodiversity.

Magnolia grandiflora 'Alta' will thrive best in:

• Full Sun

Magnolia grandiflora ‘Alta’ performs best in well-drained, slightly acidic loam or sandy loam soils. It may struggle in heavy clay, alkaline or poorly drained ground unless improved with organic matter to enhance soil structure and drainage. Keep soil evenly moist during establishment, then transition to deep, occasional watering as the tree matures to support strong evergreen growth, narrow form and reliable flowering.

Is Magnolia grandiflora 'Alta' Drought tolerant?

As a young tree it requires regular watering, but once established ‘Alta’ develops good drought tolerance. It performs reliably in warm, dry and urban environments and maintains its narrow, columnar form with deep, occasional watering during extended dry periods.