Miscellaneous

Euphorbia guillauminiana

Euphorbia guillauminiana


Succulentopedia

Euphorbia guillauminiana

Euphorbia guillauminiana is a densely branched, succulent shrub, up to 3.3 feet (1 m) tall. The branches are thick, succulent, with spines…


Euphorbia Varieties

These are some of the most popular Euphorbia species:

  • Cushion spurge (Euphorbiapolychroma) is a clumping perennial growing 12 to 18 inches high with yellow flowers that appear in spring. It is grown in zones 4 to 8.
  • Crown of thorns (Euphorbia milii) is a bushy evergreen plant that can grow up to 6 feet tall outdoors in zones 9 to 11. It can also be grown as a houseplant but typically won't reach its maximum size indoors. Different cultivars offer red, pink, or yellow flowers that bloom repeatedly.
  • Basketball euphoria (Euphorbia obesa) is a small succulent with a round, ball-shaped stem that gradually becomes cylindrical as the plant ages. It is usually grown as a houseplant but is hardy outdoors in zones 10 and 11.
  • Donkey-tail spurge (Euphorbia myrsinites) is a creeping perennial that grows to 1 foot tall with blue-gray foliage and insignificant yellow flowers. It is often used as ground cover in zones 5 to 9.
  • Wood spurge (Euphorbiaamygdaloides) is a bushy evergreen that grows 18 to 24 inches tall with yellow flowers that appear in mid- to late spring. It is suitable for growing in zones 6 to 8.

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Euphorbia guillauminiana – Succulent plants

Euphorbia guillauminiana is decorative, succulent shrub. It is densely branched up to 1 m tall. The branches are thick, succulent, with spines arranged in 8 rows. The leaves are short-petioled, rosulately crowded at branches tips, ovate, to 2 cm long, and 1 cm broad, dark green, glabrous, glossy, with a definite central rib, leaf margin pink or white. The blossoms are yellowish green or yellow, rarely red.

Scientific classification:

Family: Euphorbiaceae
Subfamily: Euphorbioideae
Tribe: Euphorbieae
Subtribe: Euphorbiinae
Genus: Euphorbia

Scientific Name: Euphorbia guillauminiana

How to grow and maintain Euphorbia guillauminiana:

Light:
It prefers full to partial sunlight. Provides good sunlight at least 3-5 hours of the day, and turn it regularly so that your plant doesn’t begin to grow lopsided.

Soil:
It grows well in well-draining, gritty soils or cactus potting mix. They are not particular about soil pH, but they cannot tolerate wet soil.

Water:
You can allow the soil to dry out between each watering. Before watering the plant check underneath the pot through the drainage holes to see if the roots are dry. If so then add some water. Do not water too often to prevent overwatering, that can potentially kill it off.

Temperature:
It prefers an optimal temperatures of 60 degrees Fahrenheit – 85 degrees Fahrenheit / 16 degrees Celsius to 29 degrees Celsius.

Fertilizer:
Fertilize every two weeks with a diluted balanced liquid fertilizer during its growing season in the spring and summer. Avoid fertilizing your plant during the fall and winter months.

Propagation:
Euphorbia can be easily propagated by cuttings. Take cutting in spring, which needs to be dried out for a couple of weeks before potting. Also can be propagated from seed, but they can be difficult to germinate.

Pests and Diseases:
Euphorbia may be susceptible to mealybugs, scale insects, occasionally spider mites.


Viewing comments posted to the Euphorbias Database

Attractive hybrid succulent Euphorbia with many small heads, each bearing tubercles and small green leaves. Rather than growing a main stem with orderly branches from there, this plant tends to branch profusely in every direction, yielding heads stacked on top of heads.

This hybrid (said to be E. bupleurifolia x susannae, and intermediate between those species) is most commonly known as E. x japonica, and is reasonably common in the trade because it is very easy to start from cuttings. In my hands it does not flower. The root system is insubstantial and deep pots should be avoided. Growth occurs year round under permissive conditions. Provide excellent drainage and strong light, and avoid overwatering. Old plants may reach about 8-10 inches wide.

There are similar-looking multiheaded plants in cultivation with greener stems that may also be hybrids of bupleurifolia and/or susannae.

Exotic succulent Euphorbia which grows a swollen globose caudex to about 8 inches tall and 6 inches wide, studded with short tuberculate branches bearing small deciduous leaves at their tips. A bit like a medusa, though I don't know if it qualifies. Spineless, but peduncles are persistent. Fruit is green and pitted.

From the dry coastal desert of southwestern Namibia, flowering in winter depending on rainfall. Extremely rare and reputedly difficult in cultivation (prone to collapse if water is not managed very carefully). Old plants can be spectacularly weird.

Unusual geophytic Euphorbia with small apical leaves and tubercles on a mostly underground stem. This species was named for the location of its caudex, below the soil. Apparently the main stem of plants in habitat is typically buried and only the branches are visible above soil level. This habit apparently helps the plant survive extreme heat. From clay soil in the Nieuwveld Mountains near the cape in South Africa.

Provide excellent drainage, do not overpot, water with care (only when the soil is dry at depth), and lift the caudex bit by bit (protecting raised stem from direct sun) to avoid unnecessary complications.

From the Euphorbia Journal: this plant is extremely rare in collections, very sensitive to excess water, not recommended for beginners.

Highly branched columnar succulent Euphorbia with tubercles tightly packed together in rows, making each stem look a bit like a corn cob. From near the Cape in South Africa. Very popular and widespread in cultivation. Branches appear at the base and/or above. This plant becomes a subshrub when mature, and is extremely well behaved in containers. It may bear intermittent spines (actually sterile peduncles) that are not particularly deadly or ornamental. Very small, ephemeral vestigial leaves appear on new growth. Plants are male or female (dioecious) and cyathia are borne near the tips a few times a year. This plant hybridizes easily with polygona and related plants. It is resistant to hares and confers this resistance upon some hybrids.

Very easy to propagate from cuttings. Said to be an easy, but potentially short-lived stock for grafting. This plant may be confused with some forms of the highly variable E. fimbriata. A pale green variegated version of mammillaris exists and is also popular and well-behaved in cultivation. Both develop attractive pinkish or reddish overtones with exposure to the sun.

A very pretty and very stinky plant.

Its looks make up for the smell though.

Small, shrubby, highly branched Euphorbia, the younger stems bearing spines and deciduous leaves near the tips. From northwestern Madagascar. In nature these plants may reach 3 feet wide and 2 feet tall, but they almost never get anywhere near this size in cultivation. Cyathia are reddish or greenish yellow and nearly sessile, emerging from points of active growth. This plant has a marked seasonal growth cycle which corresponds to the seasonal rainfall it experiences in habitat. Summer is the season of active growth. During winter the leaves are shed and plants rest.

This species is uncommon and reputedly difficult in cultivation. It benefits from excellent drainage and watering adjusted for the season. Some people have had success grafting this plant onto other Euphorbias from Madagascar.


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