Tulip Apeldoorn - Single Tulip The Darwin hybrid Tulipa Apeldoorn produces single flowers on tall, robust stems. Dazzling, deep cherry-red, goblet shaped blooms enclose a yellow-edged black heart. Fully hardy, Tulip Apeldoorn is a reliable, long-term perennial (up to 5 years) requiring full sun and fertile, well-drained soil. Excellent as a cut flower, it enlivens borders and containers and is useful amongst shrubs. Flowers reach a height of 50 - 70 cms throughout April. Foliage should be allowed to die down naturally. Site: Best in shelterPosition: South or West facing, in full sunSoils: Rich but well-drained, sandy, lightPlanting Period: September to NovemberFlowering Period: AprilPlanting: Depth 4- 6” (10 -15 cm), Spacing 3- 6” (8 -15 cm)Height: 50 to 70 cms