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Euphorbia characias Black Pearl - Spurge

Euphorbia characias Black Pearl
Mediterranean Spurge, Evergreen Spurge

3,9/5
4 reviews
1 reviews
0 reviews
1 reviews
1 reviews

I am very reserved: beautiful leaves but very very weak roots in a turf only. A very young cutting, definitely not to be put in a hill soil, its preferred soil. Luckily, I have a sandy soil, but I remain doubtful about its survival this summer.

Laurence, 25/11/2023

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This plant carries a 12 months recovery warranty

More information

The flowering of this perennial in spring is not its only attraction. In addition to its large clusters of multiple green flowers with yellow highlights and a black centre, it also has evergreen foliage with a bluish tint. It thrives in sunny positions and well-drained, even dry, rocky and poor soils.
Flower size
15 cm
Height at maturity
80 cm
Spread at maturity
60 cm
Exposure
Sun
Hardiness
Hardy down to -15°C
Soil moisture
Dry soil
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Best planting time March to April, September to October
Recommended planting time February to April, September to November
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Flowering time April to June
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Description

Euphorbia characias Black Pearl deserves its name, its flowering is splendid: Long clusters composed of multiple small flowers whose colour resemble that of a lime with pretty touches of a very dark burgundy leaning towards black. The effect is striking. Its long reddish-tinged stems bearing evergreen blue-green leaves complete the picture and give it a very exotic look.


 

Euphorbias have multiple characteristics. Their common features for the characias species: foliage and flowering that are always very decorative, a preference for a sunny exposure and a well-drained or even dry, rocky and even poor soil. Their stems start from the base and form a rather tall bushy clump, 80 cm (32in) or more for Black Pearl. They are covered with rather long lanceolate leaves, minimum 10 cm (4in)  topped with inflorescences. These are grouped in clusters of at least 15 cm (6in) in height and covered with many small cyathia (this name is mainly attributed to Euphorbias). Do not hesitate to observe them closely and follow their blooming with changing colours, they are very delicate with their bracts as a collar. Euphorbias are quite essential in flower beds: a voluminous habit that gives volume, long-lasting foliage, and brightly coloured flowers.

 

Euphorbia characias Black Pearl is unique in its flowering. The contrast offered by the colours of its flowers is rarely found in our gardens. That is why it is important to make room for it in flower beds in spring. Indispensable in exotic gardens, it will also enliven the season for those who welcome spring bulbs and will occupy the space between all the other perennials for a good part of the year thanks to its foliage.

The only downside is that these plants have a significant characteristic. Their sap is made up of an irritating and toxic latex. Don't forget to always handle them with gloves, keep an eye on children playing nearby, and warn them.

Euphorbia characias Black Pearl - Spurge in pictures

Euphorbia characias Black Pearl - Spurge (Flowering) Flowering
Euphorbia characias Black Pearl - Spurge (Foliage) Foliage

Flowering

Flower colour green
Flowering time April to June
Inflorescence Cyme
Flower size 15 cm

Foliage

Foliage persistence Evergreen
Foliage colour green

Plant habit

Height at maturity 80 cm
Spread at maturity 60 cm
Growth rate normal

Safety measures

Potential risks Plant that can cause skin and mucous membrane reactions

Botanical data

Genus

Euphorbia

Species

characias

Cultivar

Black Pearl

Family

Euphorbiaceae

Other common names

Mediterranean Spurge, Evergreen Spurge

Origin

Mediterranean

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Planting and care

Euphorbia characias Back Pearl will thrive in a well-drained and dry soil. You can even find it suitable in a stony or poor substrate, it will be satisfied with it. Choose a sunny exposure if your soil tends to retain moisture. Otherwise, it can also be happy in partial shade.

Planting period

Best planting time March to April, September to October
Recommended planting time February to April, September to November

Intended location

Suitable for Meadow, Rockery
Type of use Border, Back of border, Container, Slope
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Amateur
Planting density 3 per m2
Exposure Sun
Soil pH Neutral
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Rocky

Care

Pruning No pruning necessary
Disease resistance Good
Overwinter Can be left in the ground
3,9/5

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