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Linum perenne Diamant - seeds

Linum perenne Diamant
Perennial Flax, Blue Flax

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This small perennial forms a light and low tuft, with thin and flexible stems and delicate foliage. It offers a long flowering period, with an abundance of small single white flowers with a yellow centre. This flax appreciates the sun, light, rocky and dry soil. To be sown at the edge of a flower bed, in spring, directly in place.
Flower size
3 cm
Height at maturity
25 cm
Exposure
Sun
Annual / Perennial
Perennial
Germination time (days)
20 days
Sowing method
Direct sowing, Sowing under cover
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Sowing period March to May
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Flowering time June to September
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Description

Linum perenne 'Diamant' is a dwarf selection of the perennial flax whose flowers are white instead of blue. It is an elegant small plant, forming a clump of slender and flexible stems adorned with fine glaucous leaves. Its long and delicate flowering consists of countless small single flowers that renew themselves tirelessly throughout the summer. This plant thrives in sunny, light, rocky, and dry soils. Sow the seeds directly in sunny borders, in light, even poor and dry soil.

The blue perennial flax (Linum perenne) is a plant native to Siberia, Europe, and temperate Asia, belonging to the linaceae family. It is a hardy perennial plant with very fast growth but short-lived. It develops delicate stems adorned with evergreen green-blue foliage in winter, composed of very fine leaves. When in bloom, the 'Diamant' flax forms small bushy clumps that reach a height of 25-30 cm and a width of 20-25 cm. The flowering period extends from June to September, with clusters of small satin-textured white flowers, measuring 2-3 cm in diameter. This plant, often grown as a biennial, self-seeds abundantly in light, sandy, or rocky soil.

Flaxes are perfect, just like love-in-a-mist flowers, for lightening up flower beds and adding a touch of natural beauty to sophisticated scenes. They have a somewhat delicate health, which often makes them disappear after a few years, but they easily naturalise. Sow perennial flax generously in rock gardens, meadows, borders, flower beds, or beds with light soil. Among German iris, perennial flax lightens up the sword-shaped foliage, fills the space between the stems, and takes over once their flowering is finished. It also performs well in pots. Its elegance pairs well with perennials with grey foliage.

Flowering

Flower colour white
Flowering time June to September
Inflorescence Solitary
Flower size 3 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Evergreen
Foliage colour green

Plant habit

Height at maturity 25 cm
Spread at maturity 15 cm
Growth rate fast

Botanical data

Genus

Linum

Species

perenne

Cultivar

Diamant

Family

Linaceae

Other common names

Perennial Flax, Blue Flax

Origin

Cultivar or hybrid

Planting and care

Sow perennial flax seeds outdoors, in place, in March-April. Choose a sunny location on well-drained, properly prepared and loosened soil. Sow the seeds finely, at a depth of 3 mm, with a spacing of 30 cm between rows. Water regularly, especially during dry periods. Germination usually takes about twenty days. When the plants are large enough to handle, transplant them 15 cm apart.

Another option is to sow indoors from August to September to flower in early summer the following year. Sow the flax on the surface of good quality compost at a temperature of 18-23°C, and cover with a pinch of very fine compost or vermiculite. Keep in the light, as this facilitates germination. When the seedlings are large enough to be moved, proceed with transplantation and grow them in a frost-free place until the young plants are large enough to be moved outdoors. You can cultivate these plants in a frost-free area before planting them in the ground in the following spring, or into pots.

Flax plants thrive in light, well-drained soils, even poor ones, and in full sun. They can even grow in compacted or very clayey soil. For a beautiful mass effect, plant in groups of at least ten plants.

Sowing period

Sowing period March to May
Sowing method Direct sowing, Sowing under cover
Germination time (days) 20 days

Intended location

Suitable for Meadow, Rockery
Type of use Border, Edge of border, Container, Slope
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Beginner
Exposure Sun
Soil pH Any
Soil moisture Dry soil, Moist soil, well-draining, rocky or sandy

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