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Approximately 420.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
The average, annual, minimum temperature zone where Tsuga heterophylla is cold hardy
USDA Zone:6 -10° to 0°F (-23.5° to -18°C)
|Type of plant - tree
cones to 3cm.
|Height, in meters: 70
Height, in feet: 231.00
|Tsuga heterophylla seeds may be subject to seasonal availability
Synonyms (alternative names) for Tsuga heterophylla:
|Abies albertiana, Abies heterophylla, Tsuga jeffreyi,|
Common names for Tsuga heterophylla:
|Pacific Hemlock, Pruche de l'ouest,|
is included in the following
B and T World Seeds flowering plant categories.
|11||: Bonsai Seed List (Hardy and Tender)|
|29||: Temperate Forest and Woodland Tree and Shrub Seed List|
|60||: Economic Timber Trees|
|see also Cabinet Wood Tree Seeds|
|76||: Californian Native Plant Seed List|
|88||: Natives of U.S.North West|
|97||: Canadian Natives Western and British Colombia|
|157||: Conifer Seed List|
|See also *Australian and New Zealand Conifer Seed List|
|719||: North American Native Ethnobotanicals|
|Including medicinal, dye, fiber, food, construction, ritual|
|952||: Wholesale Selection|
Some knowledge about growing from seed is necessary to germinate even the easiest seeds.
Most seeds require humidity to germinate, even desert plants like
require that their growing medium remains moist until germination.|
Most seeds require oxygen to germinate, if buried too deep in their growing medium, or if the medium is too wet,
the seeds may not get the oxygen they require.
Tsuga heterophylla seeds will usually germinate in 7-60 days, even under good conditions germination may be erratic.
Tsuga heterophylla seeds need to be "overwintered" before they will germinate.
Stratification; cold treatment or vernalization. Seeds of some species need just a couple of weeks, others 3 months. Seeds can be stratified in dampened peat or sand, in a plastic box or bag at 4°C or 5°C in a refrigerator. The seeds should not be frozen or in a wet medium. Very small seeds can be sown on the surface of their growing medium, in pots sealed in plastic bags, and kept in the 'fridge. Many vernalized seeds need light to germinate when they are sown in the "Spring".
(Pre-chill for 3 months).