<div dir="ltr"><div>Dear Desi,<br></div><div><br></div><div>Another great resource for native North American Cirsum is Xerces' "Native Thistles: A Conservation Practitioner's Guide<br><i>Plant Ecology, Seed Production Methods, and Habitat Restoration Opportunities</i>"</div><div><a href="https://xerces.org/publications/guidelines/native-thistles-conservation-practitioners-guide" target="_blank">https://xerces.org/publications/guidelines/native-thistles-conservation-practitioners-guide</a></div><div><br></div><div>In addition to the RNGR propagation database and to keep it simple - winter stratification and spring sowing, one other resource if you do encounter challenges with seed quality under storage or germination conditions is Kew's Seed Information database</div><div><a href="https://data.kew.org/sid/SidServlet?ID=41766&Num=rcU">https://data.kew.org/sid/SidServlet?ID=41766&Num=rcU</a> and the Florida Native Plant Society's page <a href="https://www.fnps.org/plant/cirsium-horridulum">https://www.fnps.org/plant/cirsium-horridulum</a></div><div>(These are not specific to var. horridulum, but could be helpful)<br></div><div><br></div><div>Best wishes growing it!</div><div><br></div><div>-Steph<br></div><div>  </div><div><br></div><div><div><div dir="ltr"><div dir="ltr"><p style="font-size:small;font-style:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);margin:0in 0in 0.0001pt;font-family:"Times New Roman",serif;color:rgb(0,0,0)"><span style="font-family:Calibri,sans-serif;color:rgb(7,55,99)">Stephanie Frischie, Ph.D.</span></p><p style="font-size:small;font-style:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);margin:0in 0in 0.0001pt;font-family:"Times New Roman",serif;color:rgb(0,0,0)"><span style="font-family:Calibri,sans-serif;color:rgb(7,55,99)">Agronomist / Native Plant Materials Specialist, <a href="http://www.xerces.org/" target="_blank"><span style="color:rgb(7,55,99)">The Xerces Society</span></a> </span></p><p style="font-size:small;font-style:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);margin:0in 0in 0.0001pt;font-family:"Times New Roman",serif;color:rgb(0,0,0)"><span style="font-family:Calibri,sans-serif;color:rgb(7,55,99)">Secretary,<span> </span><span style="color:rgb(7,55,99)"><a href="https://ser-insr.org/" target="_blank">International Network for Seed-based Restoration</a></span></span></p><p style="color:rgb(32,33,36);font-family:Arial,Helvetica,sans-serif;font-size:small;font-style:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);margin:0in 0in 0.0001pt"><span style="color:rgb(118,113,113);font-family:Calibri,sans-serif;font-size:10pt"><i>pronouns: she/her/hers</i></span></p><p style="color:rgb(32,33,36);font-family:Arial,Helvetica,sans-serif;font-size:small;font-style:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);margin:0in 0in 0.0001pt"><span style="color:rgb(118,113,113);font-family:Calibri,sans-serif;font-size:10pt"><i>Hablo </i></span><font face="Calibri, sans-serif" color="#767171"><span style="font-size:13.3333px"><i>español</i></span></font></p></div></div></div></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Jun 29, 2021 at 9:38 AM Vicki <<a href="mailto:vbustamante1@optonline.net" target="_blank">vbustamante1@optonline.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I’ve grown it successfully, best to not over think it. Stratify in fridge over winter and sow in spring. <br>
<br>
Sent from my iPhone<br>
<br>
> On Jun 28, 2021, at 12:59 PM, <a href="mailto:afrates@addsuminc.com" target="_blank">afrates@addsuminc.com</a> wrote:<br>
> <br>
> <br>
> Check also with Jennifer Ackerfield in Colorado who has been undertaking some very significant Cirsium studies.<br>
> <br>
> Tony Frates<br>
> <br>
> <br>
> <br>
> ----- Original Message -----<br>
> From: Andrea Williams <<a href="mailto:awilliams@cnps.org" target="_blank">awilliams@cnps.org</a>><br>
> To: "Yanes, Desiree (Parks)" <<a href="mailto:Desiree.Yanes@parks.nyc.gov" target="_blank">Desiree.Yanes@parks.nyc.gov</a>><br>
> Cc: "<a href="mailto:native-plants@lists.plantconservation.org" target="_blank">native-plants@lists.plantconservation.org</a>" <<a href="mailto:native-plants@lists.plantconservation.org" target="_blank">native-plants@lists.plantconservation.org</a>><br>
> Date: Mon, 28 Jun 2021 09:17:26 -0700<br>
> Subject: Re: [PCA] Cirsium horridulum Propagation<br>
> <br>
>> This is a great resource:<br>
>> <a href="https://npn.rngr.net/propagation" rel="noreferrer" target="_blank">https://npn.rngr.net/propagation</a><br>
>> And a write-up for it:<br>
>> <a href="https://www.fs.fed.us/rm/pubs_journals/2016/rmrs_2016_dumroese_k005.pdf" rel="noreferrer" target="_blank">https://www.fs.fed.us/rm/pubs_journals/2016/rmrs_2016_dumroese_k005.pdf</a><br>
>> <br>
>> *Andrea Williams, *CCB-0027<br>
>> <<a href="https://www.cnps.org/education/botanist-certification" rel="noreferrer" target="_blank">https://www.cnps.org/education/botanist-certification</a>><br>
>> <br>
>> <br>
>> *Director of Biodiversity Initiatives*<br>
>> *California Native Plant Society*<br>
>> *2707 K Street, Suite 1**Sacramento, CA 95816*<br>
>> <br>
>> <br>
>> *(916) 447-2677 x 227*<a href="http://CNPS.org" rel="noreferrer" target="_blank">http://CNPS.org</a><br>
>> <<a href="https://support.cnps.org/sslpage.aspx?pid=298" rel="noreferrer" target="_blank">https://support.cnps.org/sslpage.aspx?pid=298</a>><br>
>> <br>
>> *Become a Fire Follower* <<a href="https://www.cnps.org/fire-followers" rel="noreferrer" target="_blank">https://www.cnps.org/fire-followers</a>><br>
>> <br>
>> *Protecting California’s*<br>
>> <br>
>> [image: Logo]<br>
>> <br>
>> <br>
>> *native flora since 1965*<br>
>> <br>
>> <br>
>>> On Mon, Jun 28, 2021 at 8:32 AM Yanes, Desiree (Parks) <<br>
>>> <a href="mailto:Desiree.Yanes@parks.nyc.gov" target="_blank">Desiree.Yanes@parks.nyc.gov</a>> wrote:<br>
>>> <br>
>>> Hi there,<br>
>>> <br>
>>> <br>
>>> <br>
>>> My name is Desiree Yanes and I am a vegetation monitoring technician at<br>
>>> NYC Parks. We are currently working on a conservation action plan for *Cirsium<br>
>>> horridulum* var. *horridulum* and we are in need of some information that<br>
>>> is not currently available. Could you please send the message below?<br>
>>> <br>
>>> <br>
>>> <br>
>>> *I am looking for information on propagating Cirsium species, specifically<br>
>>> Cirsium horridulum var. horridulum. We are working on a conservation<br>
>>> project for this species and do not currently have a propagation protocol.<br>
>>> If anyone has information that would be helpful in the propagation of this<br>
>>> species, please contact <a href="mailto:desiree.yanes@parks.nyc.gov" target="_blank">desiree.yanes@parks.nyc.gov</a><br>
>>> <<a href="mailto:desiree.yanes@parks.nyc.gov" target="_blank">desiree.yanes@parks.nyc.gov</a>>.*<br>
>>> <br>
>>> <br>
>>> <br>
>>> Thanks!<br>
>>> <br>
>>> Desi<br>
>>> <br>
>>> <br>
>>> <br>
>>> <br>
>>> <br>
>>> <br>
>>> <br>
>>> <br>
>>> <br>
>>> *Desiree Yanes*<br>
>>> <br>
>>> Vegetation Monitoring Technician<br>
>>> Forestry, Horticulture & Natural Resources<br>
>>> <br>
>>> *M* 786.374.5908<br>
>>> *E* <a href="mailto:desiree.yanes@parks.nyc.gov" target="_blank">desiree.yanes@parks.nyc.gov</a><br>
>>> <br>
>>> <br>
>>> *NYC Parks*<br>
>>> <br>
>>> Arsenal North<br>
>>> 1234 Fifth Avenue<br>
>>> New York, NY 10029<br>
>>> <a href="http://nyc.gov/parks" rel="noreferrer" target="_blank">nyc.gov/parks</a> <<a href="http://www.nycgovparks.org/" rel="noreferrer" target="_blank">http://www.nycgovparks.org/</a>><br>
>>> <br>
>>> <br>
>>> _______________________________________________<br>
>>> native-plants mailing list<br>
>>> <a href="mailto:native-plants@lists.plantconservation.org" target="_blank">native-plants@lists.plantconservation.org</a><br>
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>> <br>
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> <br>
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</blockquote></div>