Penstemon strictus Rocky Mountain Penstemon This Penstemon originates from the region of Southern Wyoming and Western Colorado South to Northeastern parts of Arizona USA and Northern New Mexico. Seeds germinate in 7-14 days and thrive in a full sun well drained position where you can expect the plants to reach up to 80cm in height. You will be delighted with tall spikes of showy flowers that are vibrant blue in colour. This pack contains 50 seeds. I will post as soon as you send your address through trade me and happily combine postage if required.