This unusual plant likes full to half shade with well draining soils, hardy down to -5C possibly more, best to be planted in the ground and not in pots.
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Impatiens arguta 'Blue Dream'
A really good starting species this very vigorous plant can tolerate full sun, right through to full shade with well draining but moist soils. Fully hardy in the UK.
A very big species of Impatiens that can get to 6ft tall. It likes full to half sun with well draining soils and plenty of water and food. Hardy down to -7C