Tritoma. See [Kniphofia].
Tritonia, Aletris, including Montbretia. Irideæ.
Young plants are raised from seeds; but generally increased by divisions.
Trollius (Globe Flower, Globe Ranunculus). Ranunculaceæ.
Seeds. Divisions in early autumn or spring. The seeds should be sown fresh or a long time will be required for germination.
Tropæolum (Nasturtium, Canary-bird Flower, Indian Cress). Geraniaceæ.
Seeds, started in-doors or in the garden. Tuberiferous species by tubers or divisions of roots. Perennials sometimes by cuttings in a frame.
Trumpet Creeper. See [Tecoma].
Tuberose. See [Polianthes].
Tulipa (Tulip). Liliaceæ.