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Flowers Encyclopedia - N to Nymphaea

February 16th, 2008

Narcissus.—See "Daffodils."

Nasturtiums.—These are among the most useful of our hardy annuals, producing a display of the brightest of colours throughout the entire summer. The tall-growing climbers make a gay background to a border, and are equally valuable for trellis-work, while the dwarf varieties are first-class bedding plants, and of great service for ribboning. The seeds may be sown in pots in September or in the open ground early in spring. A light sandy or gravelly soil is the best to produce a wealth of bloom. Height, 6 ft. and 1 ft.

Nectarines.—Require the same treatment as the Peach. In fact, the Nectarine stone sometimes produces a Peach, and a Peach stone often produces a Nectarine. Fairchild's, Humboldt, Lord Napier, and Red Roman are useful varieties. They should stand 20 ft. apart.

Neilla.—These shrubs thrive in ordinary soil, and are increased by cuttings of the young wood. They flower in July. N. Torreyi bears white Spiraea-like flowers, which are very effective. Height, 6 ft.

Nemesia.—A most beautiful half-hardy annual of the Antirrhinum class. Sow the seed early in spring on a hotbed, and plant out in May in rich, light soil. Cuttings of the young wood will strike under glass. Height, 1-1/2 ft. to 2-1/2 ft.

Nemophila.—Pretty, neat, and compact hardy annuals, well worth cultivating. They succeed best in a moist and shady situation, delight in peat or vegetable mould, and when grown in circles are very striking. If wanted to flower early, sow the seed in autumn, or on a hotbed in spring; and if required for late blooming, sow in the open in March. Treated thus they flower from June to September. Height, 1 ft.

Nepeta Glechoma Variegata.—A very useful plant for hanging baskets. It can be trained as a pyramid or allowed to hang down; in many cases it is employed as edgings. It is of easy culture, and does well as a window plant or in a cool greenhouse. The soil should be light and dry. It flowers in July, and may be increased by root-division.

Nerine Sarniense.—See "Guernsey Lily."

Nertera Depressa (Coral Berry).—This pretty Moss-like plant is fairly hardy, and is eminently suited for a sheltered position on the rockery. The soil should consist of leaf-mould and sand, and overhead sprinkling with soft water is very beneficial. In cold districts it is better to grow it in the greenhouse. The flowers are produced in July, succeeded by orange-coloured berries. It is easily increased by dividing it early in the spring. Height, 3 in.

Neuvusia Alabamensis.—A tamarix-like shrub, bearing clusters of white flowers early in spring. Will grow in any soil or situation. Increased by cuttings placed in sand under glass.

Nicotiana (Tobacco Plants).—Very showy half-hardy annuals. N. Affinis bears long, tubular, sweet-scented, white flowers in July, and grows to the height of 3 ft. N. Virginica produces immense leaves and pink flowers, and the plants are 4 to 5 ft. high. The seed is sown on a hotbed in spring, and when the second or third leaf appears the plants are put into small pots and placed in a frame till the end of May, when they are transferred to the border.

Nierembergia (Cup Flowers).—These elegant half-hardy annuals grow well in any light soil, but prefer a mixture of sandy loam and leaf-mould. Sow the seed in March or April in slight heat, harden off, and plant out in May as soon as all fear of frost is over. They flower in July. Height, 9 in. to 1 ft.

Nierembergia Rivularis.—This herbaceous plant is of a creeping nature; it has deep green ovate foliage and large saucer-shaped white flowers. It needs a moist position, and is increased by division. The bloom is produced throughout June, July, and August. Height, 3 in.

Nigella.—These hardy annuals, a species of Fennel-flower, are both curious and ornamental. Perhaps the best known among them is N. Hispanica, or Love-in-a-Mist. They only require sowing in the open in spring—but not before the middle of March—to produce flowers in July and August. Height, 9 in. to 2 ft.

Night-scented Stocks.—See "Mathiola."

Nolana.—Hardy annuals that are suitable for the border, as they are very showy when in flower. The seed should be sown in spring on a gentle hotbed, and the plants transferred to the garden about the middle of May. N. Atriplicifolia may be sown in the open in the autumn. They flower in July and August. Height, 6 in. to 2 ft.

North Borders, Plants suitable for.—Hardy Camellias, Chrysanthemums, black and green Tea Plant, Rhododendrons, Ferns, Red Currants, Morello Cherries, and spring and summer cuttings of all sorts.

Nuttallia.—This early-flowering shrub is only hardy in the south and south-west of our country. It requires a light, rich soil, and may be increased by division. Racemes of white flowers are produced during February and March. Height, 2 ft.

Nycterina.—Exquisite little half-hardy plants, suitable for pots or rock-work. The seed should be sown early in spring on a gentle hotbed, and the young plants transferred to the pots or open ground at the end of May, using a light, rich soil. Height, 3 in.

Nymphaea Alba.—A hardy aquatic perennial, frequently found in our ponds. It flowers in June, and may be increased by dividing the roots. Height, 1 ft.