Anagallis arvensis ‘Cacrulca’

Height: 2.5-5cm (1-2in)

Planting: distance 15cm (6in)

Features: flowers summer to autumn

Soil: ordinary, well-drained

Site: full sun

Type: annual

Scarier pimpernel (Anagallis arvensis), with its small scarier flowers, is a familiar weed in fields. Its cultivated varieties, however, are well worth growing in the garden.

The plants reach only 2.5-5cm (1-2in) high, and form a thick, bushy clump with a spread of 15cm (6in) -excellent for edging borders or growing in rockeries.

The popular ‘Caerulea’ variety produces a mass of rich gentian blue, star-like flowers from mid summer to mid autumn.


Sow seeds in a prepared seedbed or in the flowering position in early to mid spring.

The plants grow in ordinary, well-drained garden soil, and must have full sun.

Thin out to 15cm (6in) apart when the seedlings are strong enough to handle. At this stage you can transplant surplus seedlings if lifted carefully. Alternatively, if you initially sowed them in a seedbed, transplant to the flowering position.

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