How to grow Synadenium grantii

Synadenium grantii growing succulent that grow shrub or small tree of the genus Euphorbia also known as African Milk Bush or Euphorbia grantii, Synadenium grantii perennial evergreen but in hardiness zone 10 to 11a is deciduous in the winter, used as ornamental plant it’s drought tolerant and can used as hedge plant, can grow in tropical, mediterranean, subtropics or as houseplant climate and growing in hardiness zone 10+.

Leaves color green, or green with purple-red in round to oval shape.

Synadenium grantii flower

Flower color purple, flower small and grow in the end of the branches in cluster.

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Requirements for Synadenium grantii growing and care:

Well-drained soil, wind free, better frost free (can survive light frost)

What is the best way to start growing?
Plant / Seed sowing seeds it’s in the spring to summer, above 25C, need to keep the soil moist but not too much wet, also better germinate in half shade / Vegetative reproduction – cutting, condition for cutting it’s in 24-28C, easier to start from green branch, cut most of the leaves or all the leaves, before put it in the soil wait few hours until one day, keep soil moist and do take care not overwater

Is it necessary to graft or use vegetative reproduction?
No, but in order to get specific cultivar with specific color pattern better to start from cutting

Difficulties or problems when growing:
Poisonous, can cause skin irritation, in case that it touch skin, better to take care of it directly by washing the area with soap

Recommended planting season?
Spring, summer, autumn

Pests and diseases:
Mealy bug, spider mites

Pruning season:
All year, better to prune in winter

How to prune:
Nothing special, need to be careful not to touch the branches that cut with bare hand. Designing tree or shrub, for a tree need to prune all the stems except one, under the height that fit (Be aware that over the time the height that got pruned will be higher. For a shrub if the plant doesn’t produce few stem in the base need to prune in 50-100cm, 20-40 inches in order to induce the plant to grow new stems.

Size of the plant:
1-3m 3-9 feet as shrub, 2-4 m, 6-12 feet as tree, better to design it when the plant young

Growth speed in optimal condition:
Medium growing, in the beginning until the plant full establish this plant grow slowly

Water requirement:
Small amount of water and possible average amount of water, but need good drainage

Light conditions in optimal condition for growing:
Full Sun – plant perform better in full sun and can survive colder temperature in the winter / Half Shade / Full shade – grow well but will need a lot of light

Is it possible to grow as houseplant?
Yes, but need a light without enough light might affect the color of the leaves

Growing is also possible in a planter /flowerpot / containers:
Yes, better to grow it as shrub it’s more stable and easy to care in containers than a tree, watering in container need to be dry between watering, better to start with small pot and increase it by the size of the roots,

Blooming information

Bloom season:
Spring, rarely in the summer

General information about the flower:
Purple flowers, small flower grow in the end of the branches in cluster.

Scientific name:

Euphorbia grantii

Blooming Seasons

Flower Colors

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Ornamental parts

Plant growing speed

Plant life-form

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Plants sun exposure

Watering plants

Hardiness zone