Floss Flower 'Blue Ball' (Ageratum Houstonianum Mill.) Flower Plant Seeds, Annual Heirloom One packet contains 0.1g (0.003oz) seeds safely packed in nitrogen sealed hermetic bag for protection,maintenance of longer viability & comfortable storage. Annual, 30cm (11.8in) tall lovely blue flowers for balconies, pots, flower gardens. Blooms long and abundantly. Very fast and easy growing with basic maintenance. Non GMO, Non Hybrid, Untreated, Premium Quality Seeds coming from small, non commercial farmers. All natural, beautifully packed highest quality, germination tested seeds for own garden, to be given as gift or for long term storage.