Euphorbia grandicornisGoebel ex N. E. Br .
Cow ’s Horn , Cow ’s Horn Euphorbia , Big Horn , Big Horned Euphorbia , Big Horned Spurge
Euphorbia grandicornissubsp.grandicornis
family unit : EuphorbiaceaeSubfamily : EuphorbioideaeTribe : EuphorbieaeSubtribe : EuphorbiinaeGenus : Euphorbia
Euphorbia grandicornisis a succulent shrub with erect , green , 3- to 4 - winged branches with a zag blueprint and paired spines along the bound . The branch can grow up to 6.6 feet ( 2 m ) marvelous and 4 inch ( 10 atomic number 96 ) widely . The spines are gray to brownish , up to 3 inches ( 7.5 atomic number 96 ) long , and arranged in brace . The petite leaves between the spine appear in summer and drop off afterward .
During late spring , brilliant chicken cyathia appear in groups of 3 along the tip of the stem . The primal cyathium is sessile and composed of only manful bloom , while the other two are haunt and bisexual . The fruits are empurpled , quite attractive , 3 - lobed condensation .
The specific name " grandicornis(gran - dih - KOR - nis ) " intend " vauntingly - horned " and refers to the distich of foresighted backbone .
USDA hardiness zones10a to 11b : from 30 ° F ( −1.1 ° C ) to 50 ° F ( +10 ° coke ) .
Euphorbias are very light to care for . These plant expect a small pampering to become established , but once they are , they are self - sufficient . More become flat from too much care and watering than from neglect . Euphorbias needwell - drain soiland plenty of sunshine . They are not picky about soil pH but can not support blotto land . Unlike most succulents , Euphorbiadoes not handle farseeing point of drought well . It may require weekly tearing during the summer . Waterwhenever the grunge is dry several column inch below the surface . Water deeply , but do n’t let them seat in wet soil , which can cause root buncombe . Add some organic matter or fertiliser to the planting hole . give with a half - strength fertiliser monthly if you are growing them in containers or your soil is poor .
These succulent can be spring up from germ , but they can be hard to germinate ( or even find ) . They are ordinarily propagate by cuttings . This can be tricky because of the exuding sap . Rooting hormone is recommend withEuphorbias . They tend to uprise trouble - free , but there are a few pests and disease to be alert for .
Learn more atHow to Grow and Care for Euphorbia .
Euphorbia grandicornisis native toSouth Africa , Swaziland , Mozambique , andKenya .
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