Why are my nasturtiums not flowering?

I grow mine on the side that faces south so they get most sun - I do the same with Morning Glory now too, as mine never used to flower, could that be the problem?

are you using fertiliser? they bloom best on poor soils in full sun

give it time they will soon burst with colour and hum along with the sound of all those happy bees

x x x

You don't say if they're in the ground or in containers, but the rules with nasturtium are always the same - poor soil , no feeding and being largely ignored will give far more flowers. If you grow them in pots, don't feed and use spent compost! but they do require some sun or bright conditions, no good in shady spots