Nettle-tree. See [Celtis].
New Zealand Flax. See [Phormium].
Nicandra, Calydermos. Solanaceæ.
Seeds, sown in the open border, or under glass in the north.
Nicotiana (Tobacco). Solanaceæ.
Propagated by seeds, started under glass or in a carefully prepared seed-bed. The ornamental species sometimes by cuttings.
Nierembergia. Solanaceæ.
Grown from seeds, under glass. Cuttings of firm shoots are also used.
Nigella (Fennel Flower, Love-in-a-Mist). Ranunculaceæ.
Propagated by seeds sown in early spring in the open.