Red Ironbark


Scientific Name: Eucalyptus sideroxylon A.Cunn.ex Woolls
Family: Myrtaceae
Recommended Temperature Zone:
Sunset®: 9, 14-17, 19-24.
USDA: 9-11

Frost Tolerance: Hardy to 22°F (-6°C)

Sun Exposure: Full sun to light shade

Origin: Australia (New South Wales, Queensland, Victoria)

Growth Habits: Evergreen tree, fast growing to 20 to 80 feet tall (6-24 m) or more, sometimes with a weeping shape; furrowed, dark reddish brown trunk; narrow, reddish green to bluish green leaves, 4 to 6 inches long (10-15 cm)

Watering Needs: Little to moderate water, drought tolerant but becomes stressed during long hot and dry periods, tolerant of most soils

Propagation: Seeds

Propagation: Seed or occasionally cutting, grafting/budding

  • by cuttings.
  • by grafts.
  • by seeds, in spring. Germinates at 70-85 degrees F. The seeds need 40F for 2mo.. The usual germination temperature is 70-85 degrees F.

As many Eucalyptus, generates a light but continuous flow of leaf litter (flowers in season), which might be a consideration when planting next to a paved area.

Propagation:
Crimson to light pinkish white flowers in clusters from pendant branches, mostly in winter. 'Rosea' is a pink-flowered variety, but since the propagation is from seeds, the flower color is quite variable, and seeing the flower before buying the tree is pretty much the only sure way to know what you get.


 

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