Look out for summer-flowering bulbs, such as galtonia, in the garden centre. They’re great for filling gaps in the border.
If you don’t have a free spot at the moment, plant them in pots and temporarily place them in the border when they’re just about to flower, then move them back out of sight when they’ve finished.
Summer-flowering bulbs to try include: lilies, gladiolus, and dahlias. Most should be planted at three times the depth of the bulb, but check the recommendations on the packaging.
Here Jeff shows us how to grow large Dahlia flowers, the largest in fact. If you want a truly remarkable show this summer, these Dinnerplate Dahlias are the perfect choice. As mentioned by Jeff, these spectacular flowers were for a long time out of favour amongst the British for summer garden displays. But these days