species

Magnolia grandiflora

Bull bay

A scale drawing of Magnolia grandiflora, 12 m tall · 8 m across, beside a 1.7 m figure.

Scale drawing from this record, beside a 1.7 m figure.

Magnolia grandiflora belongs to the family Magnoliaceae, also known as Bull bay, introduced to the UK. It reaches 12 m tall and 8 m across in about 10 years. It grows in full sun, on loam or clay soil, where the ground is acid or neutral and in moist or well drained conditions, and suits sheltered positions. It flowers from July to September and is evergreen. Its RHS hardiness rating is H5 (hardy, cold winter): −15 to −10°C.

Assembled from the attributes recorded below.

What this plant needs

Size at maturity
12 m tall × 8 m across, after about 10 years
Hardiness
H5 (RHS)
Aspect
Full sun
Soil
Loam, Clay
Acidity
Acid, Neutral
Moisture
Moist, Well drained
Exposure
Sheltered
In the UK
Introduced

When it flowers

  1. Jan
  2. Feb
  3. Mar
  4. Apr
  5. May
  6. Jun
  7. Jul
  8. Aug
  9. Sep
  10. Oct
  11. Nov
  12. Dec

Evergreen — it holds its leaves through the winter.

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