Heirloom 5 Seeds Rainbow Tree (Eucalyptus Deglupta) Name: Eucalyptus deglupta (Rainbow Tree) Quantity: 5 Seeds Habit: Erect or Spreading and requires ample growing space. Has Evergreen foliage. Growth Rate: 36 or More Inches per Season Bark from a rainbow eucalyptus. Older bark layers in shades of pastel purple,blues, rusty red, and burnt orange peel away to reveal younger layers in chartreuse and light/dark green hues.