How to make a dahlia container display

Find out how to create a vibrant late-summer dahlia display in a large terracotta pot. In this quick video guide, Monty Don gives tips on the right compost mix and spacing to ensure young dahlia plants thrive, and recommends three spectacular varieties. Watch now to see the flowers of deep red 'Arabian Night' and 'Grenadier', and fiery orange 'David Howard', and you'll understand why they'll make such a stunning display.