General Plant Information (Edit)
| Plant Habit: |
Cactus/Succulent
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| Life cycle: |
Perennial
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| Sun Requirements: |
Full Sun to Partial Shade
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| Flowers: |
Other: In the genus Euphorbia, the flowers are reduced in size and aggregated into a cluster of flowers called a cyathium (plural cyathia). This feature is present in every species of the genus Euphorbia but nowhere else in the plant kingdom.
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| Bloom Size: |
Under 1"
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| Suitable Locations: |
Xeriscapic
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| Dynamic Accumulator: |
B (Boron)
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| Resistances: |
Drought tolerant
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| Toxicity: |
Other: All members of the genus Euphorbia produce a milky sap called latex that is toxic and can range from a mild irritant to very poisonous.
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| Propagation: Seeds: |
Will not come true from seed
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| Containers: |
Needs excellent drainage in pots
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| Miscellaneous: |
Dioecious
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| Parentage: |
Euphorbia bupleurifolia x susannae |
- Euphorbia x japonica
- Euphorbia bupleurifolia x susannae
Posted by
Baja_Costero (Baja California - Zone 11b) on Jul 12, 2020 1:26 PM concerning plant:
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.
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