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Mon Jul 7 15:15:23 CEST 2008

hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: "Jim McClements, Dover, DE z6" <JimMcClem at AOL.COM>
Subject: Re: Pinellia pedatisecta
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In a message dated 7/7/08 8:44:32 AM, dam7 at CDC.GOV writes:

> I'll add that it's a weedy pest.=A0 I planted one corm in 2000; the n=ext
> year or two saw it produce seed (every flower produces seed), and new
> plants emerged=A0 I thought how nice.....then the nightmare began.==A0 New
> plants started emerging throughout the garden and it quickly
> out-competed Trillium and other southeastern US natives.=A0 I began
> pulling plants and haven't stopped.=A0 In many cases the stalk will b=reak
> away leaving the corm so one much take the extra effort with a trowel t=o
> make sure that the entire plant is removed.=A0 Now this isn't too ter=rible
> a task, weeding is part of being a gardener and I usually enjoy the tas=k
> except this plant gets going during our hot summers.=A0 The heat
> eventually drive me indoors so I invariably miss plants that mature and
> produce seeds.=A0 It is under control but not eradicated.=A0
> 
> 

I'll second David's comments, and also add P. ternata and P. tripartita t=o 
the list, as well as almost all the rest of the genus.

P. cordata has such attractive foliage that I do let it spread a bit (whi=ch 
it does by bulbils, always scary). So far it's stayed in one area.

The only "safe" Pinellia is P. 'Polly Spout', a hybrid between P. pedatis=ect=
a 
and P. tripartita 'Atropurpurea' created by Dick Weaver of WeDu Nursery a=fe=
w 
years back. It combines the attractive properties of both parents and is= 
STERILE!

Jim

Jim McClements
50 S. Prestwick Ct.
Dover, Delaware 19904, USA
Zone 7a
302-734-2836

**************
Gas prices getting you down? Search AOL Autos for 
fuel-efficient used cars.
(http://autos.aol.com/used?ncid=aolaut00050000000007)

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<HTML><FONT FACE=arial,helvetica><HTML><FONT COLOR="#000000" FACE=="Gen=
eva" FAMILY="SANSSERIF" SIZE="2"><BR>
In a message dated 7/7/08 8:44:32 AM, dam7 at CDC.GOV writes:<BR>
<BR>
<BR>
<BLOCKQUOTE CITE STYLE="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: =5px; =
MARGIN-RIGHT: 0px; PADDING-LEFT: 5px" TYPE="CITE"></FONT><FONT COLOR=="#0=
00000" FACE="Geneva" FAMILY="SANSSERIF" SIZE="2">I'll add tha=t it's a =
weedy pest.=A0 I planted one corm in 2000; the next<BR>
year or two saw it produce seed (every flower produces seed), and new<BR>
plants emerged=A0 I thought how nice.....then the nightmare began.=A0=New<BR=
>
plants started emerging throughout the garden and it quickly<BR>
out-competed Trillium and other southeastern US natives.=A0 I began<BR>
pulling plants and haven't stopped.=A0 In many cases the stalk will bre=ak<BR=
>
away leaving the corm so one much take the extra effort with a trowel to<=BR>
make sure that the entire plant is removed.=A0 Now this isn't too terri=ble<B=
R>
a task, weeding is part of being a gardener and I usually enjoy the task<=BR>
except this plant gets going during our hot summers.=A0 The heat<BR>
eventually drive me indoors so I invariably miss plants that mature and<B=R>
produce seeds.=A0 It is under control but not eradicated.=A0<BR>
<BR>
</BLOCKQUOTE></FONT><FONT COLOR="#000000" FACE="Geneva" FAMILY=="SANSSE=
RIF" SIZE="2"><BR>
<BR>
I'll second David's comments, and also add P. ternata and P. tripartita t=o t=
he list, as well as almost all the rest of the genus.<BR>
<BR>
P. cordata has such attractive foliage that I do let it spread a bit (whi=ch =
it does by bulbils, always scary). So far it's stayed in one area.<BR>
<BR>
The only "safe" Pinellia is P. 'Polly Spout', a hybrid between P. pedatis=ect=
a and P. tripartita 'Atropurpurea' created by Dick Weaver of WeDu Nursery=a =
few years back. It combines the attractive properties of both parents and=is=
STERILE!<BR>
<BR>
Jim<BR>
<BR>
<BR>
<BR>
Jim McClements<BR>
50 S. Prestwick Ct.<BR>
Dover, Delaware 19904, USA<BR>
Zone 7a<BR>
302-734-2836<BR>
</FONT><FONT COLOR="#000000" FACE="Geneva" FAMILY="SANSSERIF"=SIZE="=
2"></FONT><BR><BR><BR>**************<BR>Gas prices getting you down? Sear=ch =
AOL Autos for fuel-efficient used cars.<BR>      (http://autos.aol.com/us=ed?=
ncid=aolaut00050000000007)</HTML>
==========================================================================<br>
Search the Arisaema-L archives & subscription options -<br>
http://listserv.surfnet.nl/archives/Arisaema-l.html<br>
<br>
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<br>
For help with this list, send an e-mail to the listowners at:<br>
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