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Scarlet Flax Seeds - Linum grandiflorum Rubrum

Linum grandiflorum Rubrum
Venise Flax

4,7/5
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It delighted the flower beds throughout the summer and autumn with very light and graphic red flowers. Superb!

Alice F, 30/10/2024

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This plant carries a 6 months recovery warranty

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Value-for-money
Linum grandiflorum 'Rubrum' or scarlet flax is a very easy-to-grow annual. This variety features satiny, scarlet red flowers with a darker red eye over delicate, silver-green foliage. It blooms all summer long, perfect for sunny borders, flower beds and rock gardens. Direct sow in well-drained and light soil.
Flower size
2 cm
Height at maturity
40 cm
Exposure
Sun
Annual / Perennial
Annual
Germination time (days)
15 days
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Sowing period March to April
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Flowering time June to September
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Description

Linum grandiflorum 'Rubrum' or scarlet flax is a very easy-to-grow annual. This variety features satiny, scarlet red flowers with a darker red eye over delicate, silver-green foliage. It blooms all summer long, perfect for sunny borders, flower beds and rock gardens. Direct sow in well-drained and light soil.

Linum grandiflorum is a hardy annual that belongs to the Linaceae family, native to North Africa. It germinates, grow, flowers and sets seed before the heat of summer sets in. In more humid climates, it blooms all summer long, tirelessly. 'Rurum' forms a small, narrow clump of branched stems, quickly reaching 40 cm in height and 15 to 20 cm in width. Its leaves are small, thin and lanceolate, silver-green colour in colour. The flowers are flat and cup-shaped, measuring 2 to 3 cm in diameter; they are made up of 5 intense, scarlet red petals with a satin-like sheen and a darker red central halo. Although each flower only lasts one day, they are continually renewed from early summer to autumn. This plant will self-seed easily in light soil, however not always true to type.

Flowering flax is a sun-loving plant that is very resistant to drought. The seeds can be scattered directly in sunny flower beds or rock gardens, creating lovely informal combinations with Love-in-a-mist, Amni visnaga, Californian poppies, and other perennials such as Veronica hastata, Verbena bonariensis, and Centranthus ruber. It also mixes well with ornamental grasses such as Stipa pennata or Muhlenbergia capillaris.

Flowering

Flower colour red
Flowering time June to September
Inflorescence Solitary
Flower size 2 cm

Foliage

Foliage persistence Annual
Foliage colour green

Plant habit

Height at maturity 40 cm
Spread at maturity 30 cm
Growth rate normal

Botanical data

Genus

Linum

Species

grandiflorum

Cultivar

Rubrum

Family

Linaceae

Other common names

Venise Flax

Origin

Mediterranean

Product reference38011

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Planting and care

Annual flowering flax is best direct sown in spring, or from late summer until early autumn. The seedlings are very hardy and will withstand harsh winter frosts. Sow the seeds 3 mm deep, in furrows spaced 30 cm apart, in loose, well-prepared soil. For plants that flower in winter and early spring, sow in late summer or early autumn and grow in pots in a cold greenhouse or veranda. Water sparingly until the weather warms up. Thin out the seedlings, keeping one every 10 to 15 cm. Flowering annual flax is hardy and resistant, it thrives in light, well-drained, or even stony soil and full sun.

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Sowing period

Sowing period March to April
Germination time (days) 15 days

Intended location

Suitable for Meadow, Rockery
Type of use Border, Slope
Ease of cultivation Beginner
Exposure Sun
Soil pH Any
Soil moisture Dry soil, Moist soil, light, well-draining
4,7/5
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