Geranium 'Havanna Blues' decorative-dahlia-tubers-uk Hydrangea 'Groundbreaker Blush' is perfect

Hydrangea 'Groundbreaker Blush' is perfect for creating a soft carpet of blooms across borders

Large blooms appear in summer with wavy-edged reflexed petals

Also known as Carthaginian apple or simply granada

dappled light or sun

Introducing Peony 'Do Tell'—a stunning peony variety with a beautiful display of delectable blossoms

Geranium 'Havanna Blues' decorative-dahlia-tubers-uk Hydrangea 'Groundbreaker Blush' is perfectGeranium 'Havanna Blues' is a relaxed, low spreading cranesbill with the sort of easy charm that makes borders look as though they arranged themselves beautifully. Growing to around 40cm high, it sends out trailing stems clothed in neat green leaves, creating a soft, informal mound through the season. The flowers are the real conversation piece: light violet blue, each with a lighter central zone and striking dark purple veins. Geranium 'Havanna