Euphorbia grandicornis grow and care – succulent of the genus Euphorbia also known as Cow’s horn euphorbia or Grandicornis cactus, Euphorbia grandicornis perennial evergreen used as ornamental plant and its drought tolerant and can grow in desert, subtropics or mediterranean climate and growing in hardiness zone 10-12.
Euphorbia grandicornis stems
Stem erect in color green with spines, the spines have horn shape, the edge of the stem become wavy some can be spiral or shapeless.
Flower color yellow the flower grow in the top of the stems next to each spine
Euphorbia grandicornis for sale – Seeds or Plants to Buy
How to grow Euphorbia grandicornis growing and care:
Well drained soil, even dry most of the time
What is the best way to start growing?
Plant / Seeds – sowing in spring in full sun, keep soil lightly moist be aware not over water, soil need to be with good drainage / Vegetative reproduction – cutting care, cut a peace of the stem, need to wait that the open tissue will heal after need to plant it in well-drained soil in half shade until there some root and move it for sunny location, possible in sunny location in autumn or spring but in summer might won’t establish well (but possible) , when use big stem need to support that it won’t move.
Is it necessary to graft or use vegetative reproduction?
No, but easy to start from cutting
Difficulties or problems when growing:
Can cause skin irritation by touching the spines or cutting the plant
Planting season:
Spring / Summer / Autumn, in hardiness zone 12 possible in the winter
Pests and diseases:
Snails, slugs
Pruning season:
All year
How to prune:
Branch that starts to grow on the side or horizontal, for design, dead part, rotten part it’s important to prune under the rotten part mostly can grow and leaves with this part if it’s infectious it might kill the plant
Size of the plant:
1-3m, 3-10 feet
Growth speed in optimal condition:
Slow growing, speed will increase a bit when the plant older
Water requirement:
Small amount of water, better let it dry between watering, do not overwater
Light conditions in optimal condition for growing:
Full Sun, possible almost full sun
Is it possible to grow indoor as houseplant?
No
Growing is also possible in a planter /flowerpot / containers:
Yes, need to be careful when growing this plant and keep it small, if it’s too much high and the and the container to light it might fall (take care it cause skin irritation), sandy soil, good drainage, water small amount and let it dry, when young support the plant that won’t fall, better to use soil like lava grit, perlite and sandy soil with little organic matter
Blooming information of Cow horn cactus Euphorbia
Bloom season:
Spring
General information about the flower:
Yellow flowers the flowers grow in the top of the stems next to each spine
Scientific name:
Euphorbia grandicornis
Alternative names: Cow’s horn euphorbia, Grandicornis cactus, Cow horn cactus, Cow horn plant
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