Planted up four of these big Italian pots over the weekend. I bought them because they were incredibly cheap but their scale makes them hard to get right. Each one takes two large barrowloads of compost (equal mix of bark-based compost, seived garden compost, seived leaf mould and grit)
I have put a Canna (Australia) in the middle, three dahlias - the same in each pot but a different one per pot (Grenadier, David Howard, Arabian Night & Bishop of Llandaff), and filled the base with burgundy petunias and osteospermum ‘voltage yellow’ These bedding plants were bought in March when tiny plugs and potted on to grow into decent sized plants - I don’t remember the Garden Centres thanking me for encouraging people to do that whilst they were busily attacking me for suggesting people did not rush to sow vegetable seeds into cold ground…
The pots will not kick in for another month and will not be at their best till August and September but that is fine. In fact they will not be at their best at all if we do not get some warmth but that is beyond a gardeners control. The weather is what it is and moaning about it will not make it better.
And the spin off from such a cold spring is that there are still tulips and it is almost June. That is a gleaming silver lining.