Erysimum – Perennial Plant, How to grow

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 good edging plants for a perennial border, or on gravelly banks and retaining walls. Annual species cultivated                 E. perofskianum, 1 […]

Euphorbia – Perennial Plant, How to grow

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 and perennial herbaceous plants, shrubs and trees and succulent plants. The decorative parts are really bracts, often colourful, round the […]

Doronicum – Perennial Plant, How to grow

How to grow Doronicum Doronicum (dor-on-ik-um) From the Arabic name doronigi (Cornpositae). Leopard’s bane. Hardy herbaceous perennials, natives of Europe and Asia, early-flowering, with long-stemmed, daisy-like yellow flowers. The sap from the root of D. pardalianches is said to be poisonous. Doronicums last well as cut-flowers. Species cultivated D. austriacum, 18 inches, golden-yellow, spring. D. carpetanum. 2 feet, yellow. May […]

Centaurea – Perennial Plant, How to grow

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 unlike those of a thistle in structure. The annuals (cornflowers and sweet sultana) are good for cutting; some species of […]

Convolvulus – Perennial Plant, How to grow

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 cultivated C. althaeo ides, 1-2 feet, pink flowers, summer. C. cantabrica, 1 foot, pink flowers, mid to late summer. C. […]

Coreopsis – Perennial Plant, How to grow

How to grow Coreopsis (kor-e-op-sis) From the Greek koris, a bug or tick, opsis, like, a reference to the appearance of the seeds (Compositae). Tickseed. The annual species are often catalogued under Calliopsis. Hardy perennials and annuals with showy flowers, excellent for borders. Perennial species cultivated              C. grandiflora, 2-3 feet, yellow flowers, summer; var. fore pleno, double. Cultivars include `Baden […]

Callirrhoe – Perennial Plant, How to grow

How to grow Callirrhoe (kal-ir-ho-ee) Named after Callirhoe, one of the Greek goddesses (Malvaceae). Poppy mallow. This North American genus has both annual and perennial species. The flowers are saucer shaped and of red hues, which are brilliant in sunshine. They need an open, sunny position. Species cultivated C. involucrata, the Buffalo rose, 9 inches, flowers crimson, 2 inches across. […]

Campanula – Perennial Plant, How to grow

How to grow Campanula (kam-pan-u-la) From the Latin campanula, a little bell, hence the common name, Bellflower (Campanulaceae). A large genus of annuals, biennials and perennials for growing in the border, wild garden, rock garden and greenhouse; widely distributed over the Northern Hemisphere. Border species cultivated C. x burghaltii, 2-i feet, large lavender bells, June and July, sandy soil. C. […]

Catananche – Perennial Plant, How to grow

How to grow Catananche (kat-an-an-kee) From the Greek katananke, a strong incentive, referring to its use in love potions (Compositae). A small genus of annuals or perennials of which C. caerulea is the only species likely to be found in cultivation. This is commonly known as Cupid’s dart or blue cupidone and was introduced in 1596. It is a hardy […]

How to grow Astrantia (as-tran-te-a)

Starlike flowers, hence the name from the Greek aster, a star (Umbelliferae). Masterwort. Summer-flowering perennials with fascinating papery-looking flowers in shades of green, white and pink The actual flowers are insignificant but they are surrounded by parchment-like bracts that give them colour. They make excellent and unusual cut flowers. Species cultivated A. biebersteinii, 2 feet, flowers light lilac. A. carinthiaca, […]