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A perennial of the Euphorbiaceae family, this spurge is widespread from Central and Southern Europe to Central Asia, with a notable presence in the eastern Mediterranean basin and steppe regions.
It occupies dry grasslands, open scrublands, rocky areas, and sun-exposed embankments, on poor, calcareous or sandy, well-drained soils, from sea level up to about 1,500 meters. It withstands prolonged drought and intense heat conditions.
The plant forms an upright and branched clump 20 to 50 cm tall, with a light and airy habit. The leaves are very narrow, linear to lanceolate, glaucous to blue-green, numerous and close-set on the stems, giving the whole a fine and almost feathery texture that distinctly sets it apart from other rock garden spurges.
The floral bracts are pale yellow to yellow-green, grouped in terminal branched umbels. In its natural habitat, its flowering extends from June to August. In cultivation, it can bloom as early as May under well-sunny exposures.
In cultivation, it requires a very well-drained soil, poor to moderately fertile, in full sun. It perfectly tolerates summer heat and drought, but dreads heavy and wet soils in winter. Its lightness of habit makes it a valuable counterpoint in rock garden compositions.