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A picture of a Blue Potato Bush

Blue Potato Bush

Solanum rantonnetii

Also known as

Potato Flower, Aartappelbos (Afr.)

Full Sun
Easy care
Moderate watering
Half-hardy

10a

USDA zone

-1°C

Minimum temperature

Expected size

Height
Spread

3m

Max

3m

1.5m

Min

1m

2 years to reach maturity

Fruiting

  • spring
  • summer
  • autumn
  • winter

Generally not harvested.

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A photo of Blue Potato Bush
A photo of Blue Potato Bush
A photo of Blue Potato Bush
A photo of Blue Potato Bush
A photo of Blue Potato Bush

Blue Potato Bush Overview

The blue potato bush, Lycianthes rantonnetii is grown for its abundance of attractive flowers from early summer to autumn. Historically it was placed in the Solanum genus, however recent analysis has reclassified it into the genus Lycianthes. It is a many-branched evergreen shrub that provides a good backdrop in large borders or as focal specimen plants. A good plant for shaping into a standard too - it responds well to pruning.

Common problems with Blue Potato Bush

Susceptible to aphids, red spider mite, encourage beneficial insects like ladybirds to help control pests.

How to propagate Blue Potato Bush

Cuttings

Root semi-ripe cuttings with gentle bottom heat from summer to early autumn.

Seed

Seed can be sown in spring once temperatures have warmed up.

Special features of Blue Potato Bush

Drought resistant

Can withstand extended dry periods.

Attracts useful insects

Attracts bees

Pot plant

Can be grown in large containers, keep soil moist and well drained.

Hedge plant

Attractive flowers

Purple Flowering Summer Plants

Love purple flowers and looking for summer inspiration.

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