Perennial Flax – Hardy Blue Flower Perennial Plant UK

Perennial Flax (Linum perenne) – Hardy Blue-Flowered Cottage Garden Perennial UK

Usually available: spring & summer
Life cycle: hardy perennial
Height: 40–60cm
Bloom colour: clear sky blue
Position: full sun
Spacing: 25–30cm apart
Soil preference: well-drained, light to moderately fertile soil

You will receive  7cm 1 Perennial Flax plug plant, organically grown and ready to establish in your garden.

All of our plants are grown organically using certified organic potting mixes and fertilisers.

A Delicate Blue-Flowered Favourite for UK Gardens

Linum perenne, commonly known as Perennial Flax, is a graceful hardy perennial admired for its airy stems and clear blue flowers that seem to float above fine green foliage.

Perfectly suited to UK gardens, this long-flowering plant brings a soft, natural look to cottage garden borders, gravel gardens, and meadow-style planting. Each delicate bloom opens in the morning sunshine, creating a fresh, uplifting display throughout late spring and summer.

Its relaxed growth habit makes it ideal for blending with ornamental grasses and other sun-loving perennials.

Why Grow Perennial Flax?

• Hardy perennial suitable for UK climate

• Clear sky-blue summer flowers

• Excellent for cottage garden planting

• Ideal for gravel gardens and dry soils

• Pollinator friendly blooms

• Low maintenance and drought tolerant once established

This is a light, elegant plant that adds movement and softness to sunny borders.

Garden & Wildlife Value

Ornamental beauty:
Produces masses of delicate blue flowers on slender stems.

Pollinator support:
Flowers attract bees and beneficial insects.

Naturalistic planting:
Works beautifully in meadow-style schemes and informal borders.

Growing Perennial Flax in the UK

Perennial Flax performs best in:

• Full sun

• Well-drained soil

• Gravel or dry garden areas

• Open, airy positions

It is fully hardy across the UK and particularly tolerant of poor or sandy soils. Avoid heavy, waterlogged ground. Deadheading can encourage prolonged flowering.

Spacing plants 25–30cm apart allows for a natural drift effect.

Physical Characteristics

Height: 40–60cm
Spread: 30–40cm
Foliage: fine, slender green leaves
Flowers: delicate five-petalled clear blue blooms
Growth habit: upright, airy clump-forming perennial

With Perennial Flax, your garden gains soft blue summer colour, pollinator-friendly blooms, and effortless cottage garden charm. A beautiful and resilient perennial for sunny UK borders.

Grow lightly. Grow naturally. Grow with The Healing Herb Garden.