Magnolia grandiflora 'Alta' - Marshalls Garden
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The Magnolia grandiflora 'Alta' from Marshalls Garden is an ideal evergreen tree for gardeners seeking year-round visual appeal and fragrant blooms in compact spaces. Its striking glossy green foliage with distinctive furry brown undersides provides continuous interest, complemented by exotic, white cup-shaped flowers in summer. While it offers an elegant, slow-growing feature, its compact nature means it may not provide significant shade for larger areas.
All features
| Model Part Number | Magnolia grandiflora 'Alta' |
|---|---|
| Brand | Marshalls Garden |
Extended Product Information
FAQs
How large does the Magnolia grandiflora 'Alta' get?
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.
When does it bloom?
It produces fragrant, cup-shaped white flowers from June through September.
Is it suitable for containers?
Yes, its slow-growing and compact nature makes it an excellent choice for planting in large containers or pots on patios.
Does it need much pruning?
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.
What kind of soil does it prefer?
It prefers well-drained soil that is slightly acidic. Good drainage is crucial to prevent root issues.
Can it tolerate cold weather?
While generally hardy, young plants may benefit from protection against severe frost.
How often should I water it?
Water regularly after planting until established. Once mature, it is relatively drought-tolerant but benefits from consistent moisture, especially during dry spells.
Troubleshooting
Yellowing leaves
This can indicate alkaline soil or poor drainage. Test soil pH and amend if necessary, or ensure the planting site has good drainage.
Few or no flowers
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.
Leaf drop in autumn/winter
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.
Slow growth
Magnolia grandiflora 'Alta' is naturally slow-growing. Ensure it has optimal conditions (sunlight, well-drained soil, appropriate watering) to encourage steady, healthy growth.
Pros and Cons
Pros
- Provides attractive evergreen foliage year-round.
- Features fragrant, beautiful white flowers in summer.
- Compact size is suitable for small gardens and patios.
- Slow growth habit makes it low maintenance and easy to manage.
- Offers an elegant and exotic aesthetic.
Cons
- May not provide substantial shade due to its narrow form.
- Slow growth can mean it takes longer to establish as a mature feature.
- Limited in size, not suitable for large landscape features.
- Requires adequate space for its upright growth, even if compact.
- Fragrance may be subtle depending on environmental conditions.
Setup, Compatibility & Care
To ensure your Magnolia grandiflora 'Alta' thrives, plant it in a location that receives full sun to partial shade. It prefers well-drained, slightly acidic soil. Ensure the planting hole is twice the width of the root ball and just as deep. Water regularly after planting until established, especially during dry periods. While it is relatively drought-tolerant once mature, consistent moisture is beneficial. Due to its compact and slow-growing nature, significant pruning is usually not required. If necessary, prune lightly after flowering to maintain shape or remove any dead or damaged branches. Protect young plants from severe frost.
Compatibility:
- Ideal for small gardens, patios, and containers.
- Pairs well with a variety of perennials and shrubs in mixed borders.
- Consider companion plants that appreciate similar soil and light conditions.