species
Iris spuria
Butterfly iris · Blue Iris · seashore iris
Scale drawing from this record, beside a 1.7 m figure.
Iris spuria is a perennial in the family Iridaceae, also known as Butterfly iris, Blue Iris or seashore iris, introduced to the UK. It reaches 1 m tall and 50 cm across in about 10 years. It grows in full sun, on loam or clay soil, where the ground is neutral or alkaline and in moist or well drained conditions, and suits average positions. It flowers from June to July. 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 m tall × 50 cm across, after about 10 years
- Hardiness
- H6 (RHS)
- Lifecycle
- Perennial
- Aspect
- Full sun
- Soil
- Loam, Clay
- Acidity
- Neutral, Alkaline
- Moisture
- Moist, Well 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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