Q.Growing Gazanias
I planted Gazanias last year and they had big colourful flowers on long stems. This year they are quite small on short stems. How can I make them like the first lot?

The environment essentially determines how well a plant's needs are met and how close it will come to reaching its true potential. Gazania height can be anywhere from 6-18" inches. The growing conditions last year may have been more ideal for the gazania. The best thing you can do right now is to provide your gazanias the proper care they need, which is outlined in the article below. If you want, you could give your gazania a well-balanced, organic fertilizer.
https://www.gardeningknowhow.com/ornamental/flowers/gazania/gazania-treasure-flowers.htm