Bulbs, of course, can be scattered about, but there is little to give real blocks of colour. Euphorbia polychroma is a great mound of yellow-green that lasts the best part of a month, fading ...

"When I mention the Euphorbia family and eating ... Nodes are little swellings on the stem, these are where roots grow from to form a new plant. There's one node, there's a second node, there's ...