Magnolia grandiflora 'Alta' - Marshalls Garden

The Magnolia grandiflora 'Alta' is a slow-growing, compact variety that typically reaches about 1200 mm (approximately 4 feet) in height, with a narrow, upright form.

It produces fragrant, cup-shaped white flowers from June through September.

Yes, its slow-growing and compact nature makes it an excellent choice for planting in large containers or pots on patios.

No, it is a slow-growing tree that maintains its shape well. Pruning is generally minimal, usually limited to removing dead or damaged branches after flowering.

It prefers well-drained soil that is slightly acidic. Good drainage is crucial to prevent root issues.

While generally hardy, young plants may benefit from protection against severe frost.

Water regularly after planting until established. Once mature, it is relatively drought-tolerant but benefits from consistent moisture, especially during dry spells.

This can indicate alkaline soil or poor drainage. Test soil pH and amend if necessary, or ensure the planting site has good drainage.

Ensure the tree is receiving adequate sunlight and is not stressed by drought or extreme cold. Young trees may take a few years to establish before flowering profusely.

As an evergreen, some leaf drop is natural, but excessive shedding might suggest transplant shock, drought stress, or pest issues. Check for pests and ensure consistent watering.

Magnolia grandiflora 'Alta' is naturally slow-growing. Ensure it has optimal conditions (sunlight, well-drained soil, appropriate watering) to encourage steady, healthy growth.