A whole world, the euphorbias! From the lovely ground cover to the imposing shrub, there is something for every use and for all tastes! Deciduous or persistent, with their great diversity of shapes and foliage, and their graphics, they bring a lot of personality to the garden.
The various inflorescences most often have flowers without sepals or petals, surrounded by large bracts, in chartreuse green tones, very bright.
All of these evergreens need sun and drained soil, as they hate winter humidity. The interview? Over the months, when the flowering stems turn yellow, it’s time to cut them back to the ground, to make room for new shoots. Watch out for your skin, mucous membranes, eyes: the sap of all euphorbias, white as milk, is irritating. Wear long sleeves, rinse your hands and pruning shears well after each pruning.
► Our very small selection
Euphorbia characias is essential. With its strong development, since it can reach more than 1 m in scale, it structures the garden, bringing volume and relief. Despite its exotic allure, it is rustic. Its foliage, bright green or more or less bluish, sometimes variegated, depending on the variety, is permanently superb, but sublimated by dew, raindrops and frost. The early flowering will light up the garden in a few weeks. Perfect in isolation, it is also lovely at the bottom of a perennial massif, next to shrubs …
→ PRACTICAL. With azaras, scents of vanilla and lime in your garden
The leaves of the spurge “Black Bird”, Chocolate in winter, with slate reflections, turns purple-violet in summer. All winter long, on the edge of a massif, this plant lives to the rhythm of time, shimmers and iridescent under the frost or hides under the snow. From April, the chartreuse yellow bloom, then soft orange, awakens the garden. Reserve a place of choice for this beautiful semi-woody perennial, very bushy, measuring 50 cm in all directions.
Euphorbia myrsinites has only qualities: a luminous, chartreuse bloom, from May to July, standing out against a beautiful bluish foliage, succulent, lining, and a great resistance to drought. An adult foot, 10 to 15 cm high, can extend up to 50 cm. She hates humidity. Do not hesitate to put a collar of gravel around the collar, especially to spend the winter, in humid regions. Make borders, install it in rockery, in a gravel garden… It has a lot of effect in a trough, or in a jar, from which it falls nicely, provided that the container is well drained, and filled with a special succulent blend.
► Reserved for regions with mild winters
In the very rich genus of euphorbias, some are a little chilly. If you do not live at noon or the coast, you can grow them in pots, to enter a cold greenhouse in winter.
Euphorbia stygiana forms a dense, suckering tuft, doing wonders in front of clumps of shrubs, playing the ground covers with strength and grace. If it does not exceed 80 cm in height, it can spread over 1 m. The long (15 to 30 cm) lanceolate, pointed, fleshy, thick leaves are bluish green, with a paler central vein. They look like those of a rhododendron. This foliage sometimes turns tangerine in winter. In May-June, the large chartreuse-green inflorescences appear, followed, in August, by green, round fruits. A temperature that never drops below -8 °, or even -10 ° in a situation sheltered from the wind, these are the requirements of this spurge with many branched stems.
→ PRACTICAL. The mimosa flowers can already be guessed …
Euphorbia x pasteurii, giant shrub, is hardy only down to -8 °. This plant has long, broad lanceolate, thick and leathery, bluish-green leaves with a paler midrib. This evergreen foliage takes on vermilion colors in winter. A similarity to E. styygiana? This is normal, because it was born from the marriage of the latter with E. mellifera. But it is differentiated by its size… which can reach 4 m in all directions, like its other relative. The honey-scented flowers, grouped in large pale yellow umbels, bloom in May and June. In drained soil, it can withstand -10 ° for a very, very short period of time. It shriveled up and lost its leaves because it got cold? In March, she will leave the base. It is in isolation that it gives the best of itself, although it can be integrated into a free hedge.