When should you bring plants indoors? Slide the temperature and see

Not every balcony plant minds the first cold night. Monsteras start to suffer around 10 °C, geraniums need to be indoors before frost, and tough herbs like rosemary mostly need a sheltered pot.

Slide tonight's low temperature, tap each pot to carry it indoors, and see who is comfortable, who to watch and who needs to come in. A few rules of thumb on where to put them, and why you do not have to save everything.