Plant feed for flowing plants
With some of my plants heading toward flowering (dahlias have small buds forming, poppies are appearing fast, lilies forming heads and gladioli a bit behind but getting there) I'm wondering when I should be adding to the soil to help get good flowers.
I have blood fish & bone, which I mixed into the soil when I planted them all, and have sprinkled over the top a couple of times since but not recently. I have Miracle-Gro general purpose crystals that you add to water and claim to have 10 added ingredients. I have rose plant pellets with added horse manure. And I have a bottle of organic vegetable plant food.
I'm wondering if any of those will be good to use when flowers appear, as I'd like to use up whet I already have, or is some other kind of feed/fertiliser needed?