Euphorbia lambiiTree Euphorbia: Unusual fast growing succulent tree 6 10' tall and wide, with a thick gray colored main trunk and large wide spreading leafless lower stems from which erect thick branches arise capped with a pompom cluster of 6" long yellowish green to blue green leaves. Has 6" wide bunches of showy circular greenish yellow flowers. Full sun to shade (in shade, the foliage is a bit darker and stems lanky). Low water needs but grows much faster when