Hoya 'indian rope' is one of the hardiest hoyas there is

Currently in flower

but don’t have room for one as it grows

Alternatively

Eco-Fungicide - 750ml monstera adansonii Hoya 'indian rope' is oneEco fungicide is a registered organic fungicide for the control of powdery mildew, black spot and rust. It attacks existing fungal infections and kills external fungal growth within minutes while leaving an invisible protective coating that prevents new spores from germinating. Can be used indoors or outdoors on many plants including begonias, African violets, kalanchoes. tomatoes, zucchini, roses, grapevines and geraniums. Available in a 750ml spray