However, Monty shared that “sometimes” he likes to grow things in “containers” to make them “grow successfully”.
He continued: “This is true for agapanthus because agapanthus grows much better if their roots are strained.
“Now if you have got very chalky soil or very stony soil that’s fine. You can plant them straight out.
“And they should flower and grow well, but if like me, you have rich clay loam, what will happen is the roots will just grow.”