| Code | Code Explanation |
| None | Seeds require no pre-treatment to begin germination. Sow seeds outdoors when temperatures are reliably 60°F to 70°F or above. |
|
0 - 30C |
Seeds can germinate without pre-treatment, but will do so more reliably and uniformly with a short 2 to 4 week cold and moist period of stratification treatment. In most cases one month is enough. |
| Fresh seed of this species germinates quickly or more reliably when sown immediately after collection than seed that’s dried and stored. It is recommended to sow fresh collected seeds of this species, or store fresh seed in the fridge (not freezer) between 33°F and 40°F, in an airtight jar or sandwich bag with moist (not wet) sand or vermiculite until it’s time to sow. (This is more of an FYI for growing your own plants! Most seed from WBN is collected and stored dry.) |
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