Bigleaf Magnolia: Enormous Leaves and Foot-Wide Fragrant Flowers

Magnolia macrophylla (Bigleaf Magnolia)

This deciduous species has remarkable leaves over 3 feet long and 1 foot wide—light green above, silvery beneath. It flowers in early summer with creamy-white, fragrant blossoms reaching a foot across. Grows up to 40 feet tall and wide. Native to North America.

Growing Conditions & Care

Grow in moist, well-drained, preferably acidic to neutral soil in sun or partial shade; magnolias do not tolerate wet feet. Flower buds are susceptible to late frosts; shelter large-leaved species from wind. Prune in late winter or late summer to prevent sap bleeding; prune minimally.

Propagation

Sow seeds in autumn or stratify. Root softwood cuttings in early summer. Can be layered in early spring, grafted in winter, or propagated by bud in summer.

Common Problems

Bacterial leaf spot, spot anthracnose, canker, dieback, butt rot, powdery mildew, anthracnose, fungal spots, weevils, snails, scale insects, thrips, planthoppers.

Quick Reference

• Height: Over 30 ft.
• Spread: Over 30 ft.
• Growth Habit: Clumps
• Growth Pace: Moderate
• Light: Full Sun to Part Shade
• Moisture: Medium
• Maintenance: Low
• Bloom Time: Summer
• Flower Color: White
• Uses: Flowering Tree, Naturalizing, Specimen Plant/Focal Point, Waterside
• Style: Formal Garden, Woodland Garden
• Type: Trees