Blue Diamond

2–3 1/2" layered, double blooms. Blue Diamond is a 1960’s introduction. A Double Late type. 12 cm+ bulb size. 1 unit = 1 bulb. NOTE: Bulbs do not come pre-chilled; if growing in hardiness Zones 8–10, see growing information (below) for pre-chilling instructions.About Double Late or Peony-Flowering Tulips: Pair well with Single Late and Parrot Tulips as they have a similar bloom period (mid to late Spring) Bloom mid-May in our outdoor trials Do not naturalize/perennialize readily Grow best in Zones 3–7Specs:Plant Height: 14–16"