Growing Guide for Delphiniums

A genus of hardy herbaceous perennials, some of which are useful border plants, the dwarf species are good rock garden plants. Several are natives of the British Isles but those valued for gardens are from Europe, South America, and the Near East.

Mostly evergreen shrubs, chiefly from tropical America, belonging to the Pea family, Leguminosae. They grow from 6-50 ft. in height, have pinnate, dark green, glossy leaves, and bear golden-yellow flowers in terminal clusters in summer. Cassia is from the original Greek name Kasia.

A group of tender perennial plants, only one of which is commonly grown. This is Strelitzia Reginae, which has large ornamental leaves on long strong petioles (leafstalks), and bears brilliant orange and purple flowers, several together within a large bract, on stems 3 ft. or more high in spring. It is a native of South Africa and belongs to the Banana family, Musaceae. The name commemorates Charlotte of Mecklenburg-Strelitz.

Origin doubtful, possibly named after St Veronica (Scrophulariaceae). Speedwell. A genus of some 300 species ‘ of hardy perennials, annuals and sub-shrubs, mainly from northern temperate regions. Those described are hardy perennials, their flowers often borne in spikes. Dwarf kinds are suitable for the rock garden.

A genus of hardy annual and herbaceous perennial climbers from temperate zones and tropical mountains.

From the Greek di, two, kentron, a spur, referring to the two spurs on the petals (Fumariaceae). Hardy herbaceous perennials formerly known as Dielytra. Fibrous and tuberous rooted, they generally transplant badly because the roots are as brittle as glass. The flowers are pendant from arching stems, like lanterns hung along a cord.

Bear’s breech is a Handsome, hardy perennial known to the Greeks and Romans, who used the leaf form of Acanthus mollis to decorate the Corinthian column.

Showy annual plants from southern Europe belonging to the Daisy family, Compositive. They have simple alternate leaves and branching stems 1 1/2-2 1/2 ft. high, bearing large heads of yellow, yellowish or orange-colored flowers which are in full beauty during the summer. Calendula is derived from calendae, the calends, the first day of the ancient Roman month-an allusion to the almost continuous flowering character of this plant. Calendulas do best in full sunshine and in rather dry soil. They are raised, from seeds sown out of doors in the spring or early autumn where the plants are to bloom the following year and are very easy to cultivate.

A genus of herbaceous perennial plants from tropical America, grown mainly for their ornamental foliage, though some also have showy flowers. They need warm greenhouse treatment in cooler areas. From the Greek dis, twice, chorizo, to part, aner, anther, referring to the 2-valved anthers (Commelinaceae).

From the Greek mimo, ape; the flowers were thought to look like a mask or monkey’s face (Scrophulariaceae). Monkeyflower, monkey musk, musk. A genus of hardy annual, half-hardy perennial, and hardy perennial plants grown for their showy flowers. They are found in many temperate parts of the world, particularly North America.

(Deut’zia). A group of leaf-losing shrubs that are beautiful in bloom but are otherwise undistinguished. The flowers are produced from the side buds of the previous year’s growth. Many kinds are known, chiefly natives of China, Japan and the Himalayas. The majority are not perfectly hardy in the North against winter cold and should be given sheltered positions even in the climate of New York City and its environs. The Deutzias are closely related to the Mock Orange, or Philadelphus; they belong to the Saxifrage family, Saxifragaceae. The name Deutzia was given in honor of John van der Deutz, a patron of botany and at one time Sheriff of Amsterdam.

Named after Achilles, who is said to have used it as a treatment for his wounds (Compositae). Yarrow, milfoil. Hardy perennials, for the border or border rock garden.