How to Grow Rainbow Eucalyptus Trees From Seed. ... Surface sow the seeds in a sunny position with moist soil. Keep the soil moist and wait for germination to occur, usually within 1-3 weeks. Plant seedlings outside when they are around 12 to 15 months old.

In the U.S., rainbow eucalyptus grows in the frost-free climates found in Hawaii and the southern portions of California, Texas and Florida. It is suitable for U.S. Department of Agriculture plant hardiness zones 10 and higher.

This makes for a spectacle that is unforgettable. Also known as the Mindanao gum or rainbow gum, the rainbow eucalyptus is a tall tree that is unique in that it's the only eucalyptus to live in the rainforest and only one of four species found outside of Australia.

tall (60 m) in its native habitat but will grow up to 100 ft. elsewhere (30 m). Can add 3-5 ft. (90-150 cm) per year.. . . . .364011233954!]0000000000000009783314146789!]