Gazania Seeds, Mixed Flower Seeds For Home Garden, Soil should be collected in a garden pot mixed with well rotten cow dung or manure. Broadcast the seeds over the soil bed and cover it with a thin layer of soil to allow germination. Maintain a distance of 1.5 feet between the plants. Irrigate immediately and then as per requirement keeping the soil moist. Flowering starts after 3-6 weeks post sowing which continues for 8-10 weeks, depending on the variety. Gazania is a genus of flowering plants in the family Asteraceae, native to Southern Africa. They produce large, daisy-like composite flowerheads in brilliant shades of yellow and orange, over a long period in summer.