I left the seedling on the balcony for three weeks while I was away on holiday. The weather was quite warm and dry, with the occasional thunderstorm. I was worried that the plant would either die of drought or be drowned in the storms, but I am very happy and surprised to see that it is thriving!
I did some topping as soon as I came back. Also for anyone wondering, i keep a fence around the plants to keep my cats away 🐱