Ruben: Canada>Canada zenerx drug interactions Sow foxgloves as soon as possible. They're biennial so it's already getting late in the year. They have minuscule seed, so are easiest scattered into a seed tray and pricked out from there. I've tried sowing them into a gutter pipe – to avoid the need for pricking out, planted straight from the gutter – but the seed is just too small to allow even, well-distributed seedlings down the guttering.