Magnolia grandiflora 'Mainstreet'
evergreen magnolia 'Mainstreet'
A conical shaped large tree growing to over 12m in height with glossy dark green leaves with brown, furry undersides. Large scented, open cup shaped, white flowers are produced from summer through to autumn.
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Size
Ultimate height
8–12 metresTime to ultimate height
10–20 yearsUltimate spread
4–8 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | White | Green | ||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Magnoliaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Columnar upright, Bushy
- Genus
Magnolia can be deciduous or evergreen trees or shrubs, with large, showy, often fragrant flowers, often opening before the leaves, and sometimes followed by colourful cone-like fruit
- Name status
Accepted
How to grow
Cultivation
Grow in moist, well-drained preferably neutral to acid soil in sun or part shade. Tolerates dry, alkaline soil. See magnolia cultivation advice
Propagation
Propagate by taking semi-ripe cuttings or softwood cuttings for home use
Suggested planting locations and garden types
- Architectural
- City and courtyard gardens
- Cottage and informal garden
- Mediterranean climate plants
- Low Maintenance
- Hedging and screens
- Wall side borders
Pruning
Pruning group 9 or pruning group 13 if wall-trained. See magnolia pruning
Pests
May be susceptible to scale insects, horse chestnut scale and capsid bug
Diseases
May be susceptible to coral spot, phytophthora, grey moulds, honey fungus, a virus or fungal leaf spot
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.