Crimson Flax - Linum grandiflorum

Alternative names
Scarlet Flax
Description

An annual flax with red flowers that are usually larger than cultivated blue flax; linear to ovate/lanceolate leaves, borne alternately.   According to Stace (4th edition), blue cultivars exist.

Similar Species

Blue-flowered cultivars require careful examination to distinguish from other species of flax

Identification difficulty

red flowers

Recording advice

Photograph whole plant in habitat

Habitat

parks, gardens, waste ground; may occur in annual 'wild-flower' seed-mixes and persist for a while. 

UK Status

non-native, casual

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Common names
Crimson Flax
Species group:
flowering plant
Kingdom:
Plantae
Order:
Malpighiales
Family:
Linaceae
Records on NatureSpot:
1
First record:
19/07/2026 (Calow, Graham)
Last record:
19/07/2026 (Calow, Graham)

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% of records within its species group

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