Professional Gardening Tips
How to grow Centaurea (sen-taw-re-a) From the classical myths of Greece; the plant is said to have healed a wound in the foot of Chiron, one of the Centaurs (Compositae). A genus of annual and perennial plants with flowers not […]
How to grow Erysimum Erysimum (er-is-im-um) From the Greek erus, to draw up; some species are said to produce blisters (Cruciferae). Alpine wallflower. Hardy annual, biennial and perennial plants, closely related to Cheiranthus. Some are rather weedy, but others make […]
How to grow Hemerocallis Day lilly Hemerocallis (hem-er-o-kal-lis) From the Greek hemero, a day, and kallos, beauty, referring to the life of the flowers (Liliaceae). Day lily. Hardy perennials from temperate E. Asia and S. Europe, very adaptable, flowering for […]
How to Grow Romneya Romneya (rom-nee-a) Named in honour of the Rev T. Romney Robinson (1792-1882), an Irish astronomer who discovered Romneya coulteri (Papaveraceae). A genus of two species of handsome, semi-shrubby perennials from southwestern California with extremely attractive poppy-like […]
How to grow Euphorbia Euphorbia (u-for-be-a) Named after Euphorbus, physician to King Juba of Mauritania (Euphorbiaceae). A genus of about a thousand species, widely distributed, mainly in temperate regions, showing immense diversity of form and requirements. They include annual, biennial […]
How to grow Hepatica Hepatica (he-pat-ik-a) From the Greek hepar, liver, from a supposed resemblance of the leaves to that organ (Ranunculaceae). A genus of three or four species of low-growing hardy perennials, sometimes included in the genus Anemone and […]
How to grow Heracleum Heracleum (her-ak-le-um) Named after Hercules who is said to have discovered the plants medicinal uses, or after heracles, a plant dedicated to Hercules ( Umbelliferae). Cow parsnip. Vigorous and coarse-growing hardy perennials suitable for the wilder […]
Because the roots continue to crop for up to ten years after planting, special attention should be given to choosing a suitable site for rhubarb and preparing it well. The bed should not be shaded and should be dug deeply. […]
How to grow Convolvulus (kon-volvu-lus) From the Latin convolvo, to entwine, as some of the species do (Convolvulaceae). A valuable race of plants both annual and perennial, herbaceous or sub-shrubby. Flowers are bell-shaped throughout and highly attractive. Hardy perennial species […]
How to grow Hesperis Hesperis (hes-per-is) From the Greek hesperos, evening, when the flowers of some species become fragrant (Cruciferae). A genus of hardy plants including biennial and perennial species. Similar in form to Matthiola and Cheiranthus, and native to […]