Alongside hollyhocks and foxgloves lupins are a garden plant that gives height and colour to garden borders and is a popular option for gardeners aiming to create a cottage garden style border the unique feature of the lupin is that the flowers grow closely together creating flower spikes of colour lupin 39tutti frutti39 produces a range of double toned flower spikes in colours such as purple yellow lilac and pink that grow to up to 1 metre high they like a sunny position and will