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SEQUOIA sempervirens
California Redwood or Coastal Redwood
Family: Cupressaceae
Sub-family: Sequoioideae
Characteristics: Evergreen tall tree 115m trunk diameter 9m
Seed per packet: Approx. 25
Seed per gram: Approx. 150-180
The California Redwood is the world's tallest tree growing up to 115 metres (178ft) tall with a trunk up 9 metres (29ft) in diameter. It is also a very long-lived tree in the wild, living for 1200-1800 years or more.
Grows naturally along a narrow strip of land approximately 750 km long and 8-75 km wide in coastal California from Montery County to Southwestern Oregon.
Grow notes:
Cold stratification is recommended. YouTube Cold Stratification Video
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 6-8 weeks. Alternatively overwintering in the garden in cold climates will assist germination.
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Overwintering in the garden in cold climates:
- Soak in water overnight.
- Sow the seed 4-5mm deep.
- Water with a fine mist spray to avoid disturbance of the seed.
- Ensure the mix is moist but not waterlogged.
- Leave in the garden over winter.
Cold stratification in the refrigerator:
- Place the seed in a plastic bag with some growing mix.
- Add a little water to mix to make it damp.
- Place the bagged container in the refrigerator for 6-8 weeks.
- Germination generally occurs in 14-28 days when moved to warmer temperatures after the period of cold treatment.
General note: Seeds of many plants are dormant and require specific conditions or pre-treatment for germination.
Please 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
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