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CRYPTOMERIA japonica
Japanese Cedar
Family: Cupressaceae
Subfamily: Taxodioideae
Characteristics: Evergreen Tree to 50 m usually 10-20 m in cultivation
Seeds per packets: 20
The Japanese cedar is a slender, pyramidal evergreen conifer with tiered horizontal branching, which are slightly pendulous in habit with soft foliage.
In cooler climates, the foliage turns a bronze colour. The tiny, round cones can last for a year or more on the tree.
Typically grows as a single trunk tree to 50 metre tall with an 2.4 metre diameter. In cultivation in it grows much smaller, more typically to 15-20 metres tall.
The timber is extremely fragrant and weather resistant and is used for the making of stave's, tubs, casks and for building and furniture.
It is the national tree of Japan where it is often planted at temples and shrines.
Native to forested areas in Japan and China.
Prefers moist rich well-drained soils in a sunny position but will tolerates light shade.
Although seed can be sown most of the year in many parts of Australia seed is generally best sown in spring or autumn, avoid the coldest and hottest months of the year. The optimum germination temperature for germination is around 18-22°C for this species.
Cold stratification is recommended.
Cold treatment may not be critical for germination to occur in colder regions but should give increased germination rates.
This can be replicated by cold stratification in the refrigerator for 4-6 weeks. Alternatively over wintering in the garden in cold climates will assist germination.
- Soak in water overnight.
- Sow seed the depth of the seed size.
- Water with fine mist spray to avoid disturbance of the seed.
- Ensure the mix is moist but not water logged.
- Place the container in plastic bag.
- Place the bagged container in the refrigerator for 4-6 weeks.
- Germination generally occurs in 21-28 days when moved to warmer temperatures after the period of cold treatment.
General note: Seeds of many plant species 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.
We now stock a range of Propagation Accessories including the popular Aquamiser Propagation Kits, Pots, Native and Forestry Tubes, Trays, Labels and more.
We can only ship these items to Australian locations, international customers please request shipping quotation prior to purchasing.
Importing to Tasmania Prohibited