If you tell me a bit about your soil and location, pH if you've tested I might be able to help you discern the micro and macro element imbalance and maybe help with possible remedies.
I'm used to bullshitting having given advice to gardeners for a couple of decades.
One day a wealthy but bored man was trying to get his wife out of the nursery--so he whispered to me --I don't care what you tell her--just make it sound good!
