Have Iris in a border very close to edge have never flowered ?nor my camellia forms buds then does not flower.Are they in the wrong place!suggestions please?
Check the growing conditions needed from the links below.
How much sunlight do they receive?
Is the soil well draining?
High nitrogen levels can cause lots of green leaves and inhibit flowering.
A soil test can help you determine if soil amendments are needed.
These articles will help you.