In article ,
Vir Campestris wrote:
It says here that when you plant a clematis you should dig a hole 45cm
across and fill it with compost.

Do they mean it? What happens if you don't?

If your soil is even half-decent, it will grow perfectly well. That's
required only for clay and other unsuitable soils - at least most
clematis like good drainage, a deep root-run and reasonably fertile
soil.


Regards,
Nick Maclaren.