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GERMINATION INSTRUCTIONS
We always include printed germination instructions.
Seedlings prone to damping off. More cold hardy than coastal strain. Usual origin is Clearwater.
Genus - Abies
Species - Grandis
Common name - Grand Fir
Pre-Treatment - Required
Hardiness zones - 5 - 8
Height - 80'-150' / 24.4m - 45m
Spread - 15'-25' / 4.6m - 7.6m
Plant type - Tree
Vegetation type - Evergreen
Exposure - Full Sun, Partial Sun, Partial Shade
Growth rate - Fast
Soil PH - Acidic, Neutral
Soil type - Loam, Well drained
Water requirements - Average Water
Landscape uses - Feature Plant, Screening / Wind Break
Germination rate - 68%
Leaf / Flower color - Dark Green / --
| Useful Info | |
| Germination | METHOD1: Abies seeds need to be "overwintered" or stratified before they will germinate. 1. Soak overnight in warm water. 2. Then pre-chill (stratify) for 30 days. Seeds can be stratified in dampened peat, sand or moist vermiculite , in a plastic box or bag at +4C or +5C in a refrigerator. The seeds should not be frozen or in a wet medium. Seed can be sown in early February in a greenhouse or outdoors in March. Normally will only germinate with light, but the stratification (described above) can help to increase the germination rate. Sow Abies seeds 2-4 mm deep in the seed sowing mix. Abies seeds will usually germinate in 21-40 days if overwintered and stratified or about 6 - 8 weeks if sown directly. METHOD2: Soak seeds in cool water for two periods of 10 hours, but with a night break between them. Then after the second period, let the seeds drying out for a few hours. Next, put seeds into closed plastic bags but with little holes on the upper bag to allow gas exchanges. Place these bags in cold room/lower part of a refrigerator at +2C to +4C. Check it out and stir it every 2 to 3 days to avoid mould development and watch also for the first appearing radicules. It usually takes 3 to 5 weeks to get about 10% of radicules to appear and then it's time for sowing. |
