Which tulip varieties are reliable perennials?

'Olympic Flame' tulip is a Darwin hybrid tulip, one of the most reliable groups of tulips for perennial performance in the landscape. Its dazzling ... 'Peppermint Stick' is a variety of species tulip (Tulipa clusiana) that features alternating red and white petals, reminiscent of the stripes on a peppermint candy. read more

Olympic Flame' tulip is a Darwin hybrid tulip, one of the most reliable groups of tulips for perennial performance in the landscape. Its dazzling golden petals erupt with streaks of red, similar to a flickering flame. read more

This languid tulip gets taller as it matures and the white flowers turn more clotted cream. It grows through a sprawling Clematis x jouiniana 'Praecox’ before the clematis takes over. 8 Tulipa sprengeri (Species, late May, 40-50cm/18-20in) (ALAMY) This species loves some shade. read more

Tulip bulbs need a certain planting depth to keep them in dormancy for the proper amount of time, to protect them from frost heave, and to keep them from drying out. Plant the smaller species tulips at least four inches deep, and plant the larger hybrid tulips at least six inches deep. read more