Overview
Linum narbonnense 'Six Hills' is a perennial in the genus Linum, part of the Linaceae family. Linum narbonnense 'Six Hills' grows best in full sun, and tolerates well-drained soils. Its UK hardiness is rated H5. Suggested uses include borders and rock gardens. It is native to Portugal Continental.
About
Linum narbonnense 'Six Hills' is a perennial flax valued for its summer flowering. It originates from Portugal Continental and sits in the Linaceae family. Plants perform best in full sun on well-drained soil with moderate moisture and a sheltered aspect. Flowering occurs from June to August.
About the genus
Linum (flax) is a genus of approximately 200 species in the flowering plant family Linaceae. They are native to temperate and subtropical regions of the world. The genus includes the common flax, the bast fibre of which is used to produce linen and the seeds to produce linseed oil.
Wikipedia contributors, "Linum", CC BY-SA 4.0 — Linum
In the garden
A perennial native to Portugal Continental, Linum narbonnense 'Six Hills' belongs to the Linaceae and is grown for its summer display. It comes from a lineage of flax species used in both ornamental and practical contexts, and its flowering period in the UK runs from June to August. Plant in a sunny site with well-drained soil and avoid waterlogged positions; the plant prefers moderate soil moisture rather than persistently wet ground. Give it a sheltered location to reduce exposure to cold winds. The UK hardiness rating H5 indicates the plant is classed as hardy in most UK gardens, coping with normal winter conditions when placed in an appropriate aspect. Linum narbonnense 'Six Hills' suits mixed borders and rock gardens where an open, seasonal display is wanted; its summer flowers work well alongside low-growing perennials and gravel planting. Position it where drainage is reliable and where the restricted flowering window from June to August will be visible, rather than buried behind later-rising neighbours.
Growing conditions
Best soil and position for Linum
- Sunlight
- full sun
- Soil type
- well-drained
- Soil moisture
- moderate
- Exposure
- sheltered
- UK hardiness
- H5
Plant details
Linum narbonnense 'Six Hills' size, habit and characteristics
- Plant type
- perennial
- Suggested uses
- borders, rock gardens
- Native to
- Portugal Continental
Care notes
Pruning and caring for Linum narbonnense 'Six Hills'
- Cultivation
- Prefers well-drained soil in full sun; avoid waterlogging.
- Pruning
- Cut back after flowering to maintain shape.
- Propagation
- seed, division
Frequently asked questions
How do I grow Linum narbonnense 'Six Hills'?
Prefers well-drained soil in full sun; avoid waterlogging.
Where is the best place to plant Linum narbonnense 'Six Hills'?
Linum narbonnense 'Six Hills' prefers full sun. It suits sheltered positions.
What soil does Linum narbonnense 'Six Hills' need?
Linum narbonnense 'Six Hills' grows best in well-drained soil. Aim for soil that stays moderate.
How do I prune Linum narbonnense 'Six Hills'?
Cut back after flowering to maintain shape.
Is Linum narbonnense 'Six Hills' hardy in the UK?
Linum narbonnense 'Six Hills' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Linum narbonnense 'Six Hills'?
Seed, division.