species
Iris sibirica
Siberian iris
Scale drawing from this record, beside a 1.7 m figure.
Iris sibirica belongs to the family Iridaceae, also known as Siberian iris, introduced to the UK. It reaches 1 m tall and 50 cm across in about 10 years. It grows in full sun or part shade, on loam, clay or peat soil, where the ground is acid or neutral and in moist or poorly drained conditions, and suits average positions. It flowers in June. Its RHS hardiness rating is H7 (very hardy): Below −20°C.
Assembled from the attributes recorded below.
What this plant needs
- Size at maturity
- 1 m tall × 50 cm across, after about 10 years
- Hardiness
- H7 (RHS)
- Aspect
- Full sun, Part shade
- Soil
- Loam, Clay, Peat
- Acidity
- Acid, Neutral
- Moisture
- Moist, Poorly drained
- Exposure
- Average
- In the UK
- Introduced
When it flowers
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
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