- You Will Get 50 Seeds Of Cabbage Palm / Giant Dracaena Australis Cordyline Houseplant Tree Seeds. - Description: - Name: Cabbage Palm. - Other Common Names: Giant Dracaena / Cabbage Tree / New Zealand Cabbage Tree. - Scientific Name: Cordyline Australis Syn. Dracaena Australis. - Color: White Flowers. - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost. - Plant Height: 20 - 30'. - Plant Spacing: 8 - 10'. - Bloom Time: Late Spring - Early Summer. - Hardiness Zone: 8 - 11 / Houseplant. - Light Requirements: Sun - Part Shade. - Soil & Water Preferences: Average.