Lupin flower at their best in May and June. A second flush can be encouraged by not allowing the first flowers to set seed and cut them as son as they have flowered. The tall 2’6″ spikes can be very striking in colours from white, deep purple through reds and yellows to various bi-coloured varieties. The old railway cuttings used to have blue and pink Lupins growing alongside the tracks after escaping from old station gardens. The plants grow well … Continue reading Grow Lupins Growing Lupinus polyphyllus