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Digger Pine

Posted by David378 none (My Page) on
Sun, Dec 1, 13 at 14:10

Just got a bunch of Digger Pine seed from Northern California. Wondered if anyone could suggest the best way to handle / germinate pine seed, and especially the Digger Pine.


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RE: Digger Pine

  • Posted by morz8 Z8 Wa coast (My Page) on
    Sun, Dec 1, 13 at 19:05

Pinus sabiniana, aka Digger Pine, aka Gray Pine.

Your sign in doesn't indicate your climate zone, but some facts about this pine -
prefers hot, dry summers; absence of summer fog, requires generally mild winters

Specific stands may adapt their own germination requirements according to conditions there - i.e. Digger pine growing on sites where winter temperatures fluctuate greatly, such as the Modoc Plateau, may have adapted a longer requirement for chilling to prevent germination until spring. Seeds from populations growing on low-elevation sites with milder winters tend to require less chilling, thereby favoring early establishment before soil moisture becomes limiting
And, It is classed as very intolerant of shade

Soak seed 48 hours, provide a moist chill of approximately 4 months, move to 70 for germination. Detailed suggestions here -

Here is a link that might be useful: USDA.gov - Pinus sabiniana


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