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Red River Gum
Characteristics: Tree 30-40 m spread 7 m
Seeds per packet: 30
A medium sized tree usually branching not far above the ground, the bark is smooth and white or greyish in colour except near the base of the trunk where it is often rough.
Leaves are "typical" of eucalypts being lance shaped up to 250 mm long and blue grey.
The white flowers occur mainly in late spring and summer.
The river red gum is one of the best known of all eucalypts. It is common along the Murray-Darling river system and along watercourses in much of semi-arid Australia.
Adapts to a wide range of soils but prefers a light to heavy soil in an open sunny position with an adequate water supply, drought and salt tolerant but frost tender.
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.