![]() Tissue culture can also be used to propagate Douglas firs but the tissue taken must be from younger trees or seedlings. This total may be off by a factor of 10 or 100 or even 1,000: The point is that a single Douglas-fir produces a great many seeds during its life. Douglas firs are normally propagated by seed this is because it is the easiest and cheapest method also it can be difficult to get cuttings to root. That's 100,000 seeds per tree, 100 times during the tree's life. A common mix of Douglas-fir seeds from the State of Oregon J.E. For the sake of estimating, let's assume that they last 500 years. ![]() For the purpose of estimating, let's assume a tree has 1,000 cones once every 5 years and zero cones in all other years.ĭouglas-firs can live to 1,000 years or more. A Douglas-fir is highly productive (a "mast" year) only once every 5-to-7 years, with a cycle of moderate or even no cone production in between. 1-48 of 113 results for 'douglas fir seeds' 20 Seeds Douglas Fir Tree Seeds Pseudotsuga menziesii 4.0 (11) 1074 FREE delivery Mon, Apr 10 Blue Douglas Fir Seeds for Planting 20+ Seeds Grow Evergreen Trees 3. Let's round down to 1,000 cones per tree.ĭouglas-firs, like many other Pacific NW conifers, go through cycles of cone productivity. You can do this by carefully cutting it away or gently rubbing the seed between your thumb and finger until the husk falls away. Douglas fir seeds are high in protein and contain essential amino acids. To grow Douglas fir trees from seed, follow the steps below: Step 1: Prepare the Seeds After gathering your seeds from pine cones, you will need to remove the papery material around each seed. This evergreen coniferous tree has long been prized for its beautiful foliage, straight trunk, and strong wood. This is the largest member of the Pinaceae (the second largest, Picea sitchensis. ![]() It can be well into the thousands, and probably well into the ten thousands. The Douglas fir tree Pseudotsuga menziesii is native to North America and grows from Alaska down through western Canada and into northern Mexico. Douglas fir seeds are an extremely important food for small mammals. I've looked at Douglas-firs in the summer and tried to estimate how many cones are on each tree. Behind each cone scale are 2 seeds, so we'll estimate 100 seeds per cone. On the cone in the photo above, I tried to count the number of cone scales. In a steady-state environment, out of all the seeds that a single Douglas-fir tree produces in its lifetime, how many will grow into another mature Douglas-fir tree?įirst, let's estimate how many seeds we're talking about. Past summer a large older doug fir in backyard grew many new green cones and cones started dripping sticky droplets, lots of it, could look up and see drops on green cones, made huge mess.
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