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From: Tucson, AZ
Region: Southwest
Topic: Propagation
Title: Propagation of Juniperus deppeana by seed
Answered by: Nan Hampton
The U. S Forest Service says that it may take as long as 3 years to get the seeds of J. deppeana to germinate because of the hard, impermeable seed coat and chemical inhibitors within the seed. You can read their suggestions for cold stratification times and methods to enhance the permeability of the seed coat under "Regeneration Processes" in the Botanical and Ecological Characteristics section of their report on J. deppeana.
Plants for the Future also has some guidelines for seed germination.
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