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Characteristics: Tree 75 m spread 5 m
Seeds per packet: 20
The largest of the Eucalyptus this tree grows up to 75 m in height with an 8 m diameter trunk at the base. Old trees are often hollow at the base and live for hundreds of years. Small white flowers in the summer, but with the older trees these are often too high to see.
This majestic forest giant is native to the forests in the south west corner of Western Australia.
Prefers a deep heavy soil in an open sunny position, drought and frost tender.
Note: The forest giants of the south Western Australia are considered to include six main species.
Corymbia calophylla (Marri) formally known as Eucalyptus calophylla
Eucalypt's germinate readily from seed and are generally considered one of the easiest natives to grow from seed.
Depending on the species Eucalyptus seed comes in various sizes from very fine to several millimetres long. As a rule of thumb seed that is fine should be sown on the surface of a porous mix and not buried. Seed 1 to 2 mm in diameter can be covered very lightly and seed from 2 mm up can be sown to a depth of the seed width.
Although seed can be sown most of the year in Australia seed is generally best sown in spring or autumn in temperate climates, avoid the coldest and hottest months of the year. The optimum germination temperature for germination is around 18-22°C
General note: Seeds of many natives are dormant and require specific conditions or pre-treatment for germination.
Do not be too hasty to discard seed that does not germinate, seeds will often lay dormant until the conditions are similar to their natural requirements for germination to occur. Containers put to one side will often surprise long after they were discarded.