Overview
Iris brevicaulis is a upright herbaceous perennial in the genus Iris, part of the Iridaceae family, with blue-green foliage. Iris brevicaulis grows best in full sun, and tolerates sandy soils and neutral pH. Its UK hardiness is rated H7. Suggested uses include border planting and architectural plant.
About
Iris brevicaulis is a species in the genus Iris, it is also in the subgenus Limniris and in the series Hexagonae. It is a rhizomatous perennial, from North America. It has bright green, glossy long leaves, a long zig-zagged stem and 3–6 flowers per stem, which come in blue shades from violet-blue, to lavender, to purple-blue, to bright blue to blue, and pale blue. It is native to North America, Alabama, Arkansas, Florida, Illinois and other regions. In the garden it prefers full sun and sandy soil. In UK gardens it is fully hardy throughout the UK (RHS H7). Suggested uses include border planting and architectural plant. It tolerates neutral soils, dry conditions and south-facing aspects. Grow in well-drained, fertile soil in full sun. Plant rhizomes shallowly with the top exposed to the sun. Water during dry spells but avoid waterlogging.
Wikipedia contributors, CC BY-SA 4.0 — Iris brevicaulis
About the genus
Iris takes its name from the Greek goddess of the rainbow, and for once the naming feels entirely earned. I can't think of another genus that covers so much ground — inky purples, burnt apricots, clean whites, blues that seem lit from inside — or so many situations. There are bearded irises that want their rhizomes baked in full sun, Siberian types happy in ordinary border soil, and species that will sit contentedly at the edge of a pond. What they share is the flower: three petals standing up, three falling away, built with a kind of architectural confidence most plants never attempt. Even out of bloom the foliage earns its place — those upright fans of blue-green leaves hold a border together for months. I grow them for the fortnight in May and June when nothing else in the garden can compete, and I've made my peace with that. Some plants are for the long haul. An iris is an event.
Written by Henry
Growing conditions
Best soil and position for Iris
- Sunlight
- Full sun
- Soil type
- Sandy
- Soil pH
- Neutral
- Soil moisture
- Dry
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H7
Plant details
Iris brevicaulis size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Upright
- Foliage
- Blue-green
- Suggested uses
- Border planting, Architectural plant
Care notes
Pruning and caring for Iris brevicaulis
- Propagation
- Division, Seed
- Pest resistance
- Resistant
- Disease resistance
- Resistant
Frequently asked questions
Where is the best place to plant Iris brevicaulis?
Iris brevicaulis prefers full sun. It suits sheltered positions.
What soil does Iris brevicaulis need?
Iris brevicaulis grows best in sandy soil. It prefers neutral soil. Aim for soil that stays dry.
Is Iris brevicaulis hardy in the UK?
Iris brevicaulis has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Iris brevicaulis?
Division, Seed.
More in the Iris genus
- Iris 'Antigone' (TB)
- Iris 'Dauntless' (TB)
- Iris 'Dipped in Dots' (TB)
- Iris 'Ablaze' (MDB)
- Iris 'After the Storm' (TB)
- Iris 'Aldo Ratti' (TB)
- Iris 'Alene's New Love' (SDB)iris 'Alene's New Love'
- Iris 'Alpine Lake' (MDB)