Magnolia grandiflora ‘St Mary’ – St Mary Magnolia

• Screening or Privacy
• Feature Tree
• Avenue Planting
• Shade Tree
• Council or Civic Landscapes

Magnolia grandiflora ‘St Mary’ – St Mary Magnolia 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 ‘St Mary’ – St Mary Magnolia is an Evergreen (foliage year round) Tree

Mature Height: 5–8 metres

Mature Width: 3–5 metres

Magnolia grandiflora ‘St Mary’ – St Mary Magnolia is expected to grow 20 – 40 cm per year (moderate).

Magnolia grandiflora ‘St Mary’ – St Mary Magnolia is expected to grow 20 – 40 cm per year (moderate).

They are considered to have a:

• Medium Growth Rate

Is Magnolia grandiflora ‘St Mary’ – St Mary Magnolia frost tolerant?

Magnolia grandiflora ‘St Mary’ – St Mary Magnolia 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 ‘St Mary’ produces large, creamy-white, lemon-scented flowers from late spring into summer, with intermittent blooms continuing into early autumn. These bold, upright blooms contrast beautifully with the glossy green foliage and rich bronze undersides, creating a classic and highly ornamental magnolia display.

Does Magnolia grandiflora ‘St Mary’ – St Mary Magnolia flower?

• Yes - Flowers

Flowering Period:

• Spring
• Summer

Flower Type:

• Not Applicable

Flower Colour:

Cream

No

Magnolia grandiflora ‘St Mary’ – St Mary Magnolia is Native to Southeastern United States, where Magnolia grandiflora grows naturally in coastal plains and moist woodlands.

Its nectar-rich flowers attract bees, beetles and other pollinating insects, while the dense evergreen canopy provides excellent nesting and shelter for small birds. The seed-bearing cones that follow offer food for wildlife and contribute to improved biodiversity in ornamental garden settings.

Magnolia grandiflora ‘St Mary’ – St Mary Magnolia will thrive best in:

• Full Sun
• Part Shade

Magnolia grandiflora ‘St Mary’ performs best in well-drained, slightly acidic loam or sandy loam soils. It may struggle in heavy clay, alkaline or poorly drained areas unless improved with organic matter and coarse material to enhance soil structure and drainage. Keep soil evenly moist during establishment, then maintain deep, occasional watering as the tree matures to support dense evergreen growth, healthy roots and consistent seasonal flowering.

Is Magnolia grandiflora ‘St Mary’ – St Mary Magnolia Drought tolerant?

As a young tree it requires regular watering, but once established ‘St Mary’ develops good drought tolerance. It performs strongly in warm, dry and coastal conditions and maintains its dense, upright structure with deep, occasional watering during extended dry spells.