Colour range
Flowering period
Hardy Zone
macrophylla
macrophylla 'Alexander's Great'
macrophylla 'Green Gold'
macrophylla 'Hadspen Cream'
macrophylla 'Henry's Eyes'
macrophylla 'Jack Frost'
macrophylla 'King's Ransom'
macrophylla 'Looking Glass'
macrophylla 'Silver Heart'
macrophylla 'Variegata'