Many agapanthus thrive in a sunny spot, coping well with a range of soil conditions. One of the main differences is the height of the flower spike - from about 30cm (1ft) to over 1.2m (4ft) - so here are some taller and shorter options.
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The RHS is the UK’s gardening charity, helping people and plants to grow - nurturing a healthier, happier world, one person and one plant at a time.