Sulpherflower Buckwheat ‘Kannah Creek’Kannah Creek Sulpherflower Buckwheat (Eriogonum umbellatum) is a showstopper in any dry garden, offering year round interest with its low, cushiony foliage and long lasting blooms. Its vibrant yellow flower clusters erupt in summer, gradually fading to warm oranges and rusts as fall approachesadding seasonal dimension without any extra work. Native to high elevations and rugged terrain, this buckwheat handles harsh conditions with ease and looks good