Solanum ratonetti C20


Solanum Ratonetti is a shrub native to South America.

Specific References

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It belongs to the Solanaceae family. It is also commonly known as blue potato bush or Paraguayan Solanaceae.

Depending on the variety, its flowers can be white, purple and of different shades. This species has evergreen leaves. It flowers from summer to autumn.

The ideal location for this species is in full sun, but the bonsai has to be protected in a semi-shaded place from the hours of strongest sunlight in summer. Its minimum temperature range is 5°C, it does not withstand frost. It withstands moderate winds perfectly and its growth rate under optimal conditions is fast.

Water abundantly when the first centimetre of substrate is dry, until the water flows through the drainage holes in the pot. Depending on the location, time of year and orientation, Solanum bonsai should be watered from every day in summer to once a week in the middle of winter.

Fertilise with a liquid fertiliser, mixed at the indicated dosage in the irrigation water. Then apply every two weeks through the irrigation water from April to October, and once a month for the rest of the year.

Repot every two years in early spring. Solanum rantonnetii will grow best in soils with an acid or neutral pH.

The most commonly used substrates are Terrabonsai or a mixture of equal parts of blond peat and Akadama.

It is a species that resists any type of pruning very well. Prune at the end of winter. Prune during the growing season (April to October), when the new shoots have reached three pairs of leaves, maintaining the original profile.

It is not a shrub where wiring of its branches is practised much. However, if this is done, it is advisable to do it in spring before budding.

It is a very hardy and fast-growing species, reaching up to two metres in height.


Solanum Ratonetti is a shrub native to South America.

Specific References

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