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Blue potato bush

Solanum rantonnetii

Potato flower (Eng.) , Aartappelbos (Afr.)

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The blue potato bush is grown in gardens for its abundance of flowers from early summer to autumn. 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.

Planning

Difficulty
Easy
Flowering time
Summer, Autumn, Spring
Fruiting time
Winter

Harvesting

Generally not harvested

Propagation

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

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.

Geography

Origin
South America, Paraguay, Argentina
Natural climate
Temperate

Environment

Light
Full Sun, Partial Sun
Soil moisture
Moist
Soil type
Clay, Loam, Sand
Soil PH preference
Neutral
Frost hardiness
Tender

Personality

Family
Solanaceae
Flower colour
Violet-blue or white
Scent
None

Problems

Susceptible to aphids, red spider mite, encourage beneficial insects like lady bugs to control pests.

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