Food and water will benefit the plant, as will sun and natural rain.
Cannas do need full sun to grow and flower properly.
Iris need full sun, at least six hours a day.
Peonies require full sun. They should have at leasst 4-6 hours of sun a day.
Yes, they are a "full sun" type of plant.
YES! that is why it is a sunflower
some shade
Primrose need sun or shade
They will grow in full sun but prefer slight shade.
I can not answer that question because that is the question I AM ASKING YOU!!
Full sun to partial shade.
Milkweed are a full sun plant which mean they need at least six hours of sun a day.