Eucalyptus Species, Giant Gum Tree, Mountain Ash, Swamp Gum, Stringy Gum

E.regnans is the Mountain Ash, the king of the eucalypts for it has been recorded to grow over 100m (well over 300 feet). E.ovata (Swamp ...Read MoreGum) is a smaller tree to about 20-30m only. Both will cope with high water volumes, the swamp gum comfortably being inundated for months (hence 'swamp' in the name), while the E.regnans typically grows as a temperate rainforest tree (eg Otway Ranges, Healesville) where rainfall can be up to 1000mm (40 inches). Very different trees in many respects.

I have seeds for this tree but haven't planted any yet; supposedly it is rather more cold tolerant than zone 9b. I'm in 8b and I'll see ...Read Moreif that's true. Eucalyptus in north Florida can be tricky, what with sudden hard freezes after a warm week in winter (this is why late-flowering fruit and nut trees are often the best choices here: the pecan is a prime example).