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CALLITRIS rhomboidea
Oyster Bay Pine or Port Jackson Pine
Family: Cupressaceae
Characteristics: Small evergreen tree 9-15 m
Seed per packet: Approx. 30
Seed per gram: Approx. 150
A small conifer tree 9-15 m in height with a trunk of 50 cm in diameter. Typically with a dense head of branches divided into a mass of small slender sprays of bright green foliage.
Globose cones 2 cm in diameter that open at maturity to release the seeds. The cones are persistent on the tree and can hold their seeds for several years after maturity.
A species of conifer in the Cupressaceae family native to South Australia, Queensland, New South Wales, Victoria, and Tasmania although it has also naturalised in parts of Victoria and Western Australia.
Adaptable to most soil types including extremely sandy soils. Prefers an open sunny position. It is tolerant of poor soils and coastal conditions, but drought-sensitive on shallow soils.
Grow notes:
Seed is generally best sown in spring or autumn in temperate climates, avoiding the coldest and hottest months of the year. The optimum germination temperature for germination is around 18-22°C
- Sow seed 1-2 mm deep in a seed raising mix.
- Avoid sowing seed too deep, seed sown too deep may not germinate.
- Keep warm & moist, avoid drying out or waterlogging the growing mix.
- Germination generally occurs in around 14-28 days in suitable conditions.
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, natives 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.
Although seed can be sown most of the year in many parts of Australia seed is generally best sown in spring. Avoid the coldest and hottest months of the year.
The optimum germination temperature for germination is around 18-22°C
Cold stratification is recommended in climates with warm winters.
Cold treatment is 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 vegrtable draw for 4-6 weeks. Alternatively over wintering in the garden in cold climates will assist germination.
- Soak in water overnight.
- Sow seed 4-5mm deep.
- 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 14-28 days when moved to warmer temperatures after the period of cold treatment.
Please note:
- Please do not be too hasty to discard seeds that do not germinate; seeds will often lie dormant until the conditions are similar to their natural germination requirements.
- Like all seeds, they need enough water to germinate; keep them moist but not overly wet
- These grow notes are provided as guidance only and do not guarantee successful germination.
- The customer should conduct their due diligence to ensure they are suited to their region.
Importing to Tasmania Prohibited