species

Crocosmia masoniorum

Montbretia

A scale drawing of Crocosmia masoniorum, 1.2 m tall · 40 cm across, beside a 1.7 m figure.

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

Crocosmia masoniorum belongs to the family Iridaceae, also known as Montbretia, introduced to the UK. It reaches 1.2 m tall and 40 cm across in about 10 years. It grows in full sun, on loam or sand soil, where the ground is acid or neutral and in well drained or moist conditions, and suits average positions. It tolerates coastal exposure. It flowers from July to August. Its RHS hardiness rating is H6 (hardy, very cold winter): −20 to −15°C.

Assembled from the attributes recorded below.

What this plant needs

Size at maturity
1.2 m tall × 40 cm across, after about 10 years
Hardiness
H6 (RHS)
Aspect
Full sun
Soil
Loam, Sand
Acidity
Acid, Neutral
Moisture
Well drained, Moist
Exposure
Average
Coastal
Tolerates salt wind
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

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