A quick fix I use is just to lean a board against the side of a pot. Long term, for gallon pots I just drop them into a slightly larger clay pot which cools them down at least to air temp. There is starting to be more white plastic pots available, but at a cost. Patrick/ Houston, TX On Tue, Apr 28, 2020 at 7:00 AM <pbs-request@lists.pacificbulbsociety.net> wrote: > Send pbs mailing list submissions to > pbs@lists.pacificbulbsociety.net > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.pacificbulbsociety.net/cgi-bin/… > or, via email, send a message with subject or body 'help' to > pbs-request@lists.pacificbulbsociety.net > > You can reach the person managing the list at > pbs-owner@lists.pacificbulbsociety.net > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of pbs digest..." > > > List-Post:<mailto:pbs@lists.pacificbulbsociety.net > List-Archive:<http://www.pacificbulbsociety.org/list.php > > > Today's Topics: > > 1. Hot Pots (Jim Barton) > 2. Re: Hot Pots (Judy Glattstein) > 3. Re: Hot Pots (Robin Hansen) > 4. Re: Hot Pots (Frederick Thorne) > 5. Re: Hot Pots (Diane) > 6. Re: Hot Pots (Robin Hansen) > 7. Re: Hot Pots (Judy Glattstein) > 8. Re: Hot Pots (Mary Sue Ittner) > 9. Re: Hot Pots (Arnold Trachtenberg) > 10. Re: Hot Pots (penstemon@q.com) > 11. Does anyone recognise this? (Richard Wagner) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 28 Apr 2020 00:05:15 +0000 > From: Jim Barton <jimb@customwindowsupply.com> > To: "pbs@lists.pacificbulbsociety.net" > <pbs@lists.pacificbulbsociety.net> > Subject: [pbs] Hot Pots > Message-ID: > < > E1EABA06DC9C28429A42974CE7DBC8F72421E2C7@ord2mbx10c.mex05.mlsrvr.com> > Content-Type: text/plain; charset="iso-8859-1" > > Does anyone grow California native bulbs in 1 gallon black pot in the > Central Valley of California? The growing medium in my pots is becoming > much hotter than the native soil where many of my bulbs are planted. Last > weekend I made a shade structure of ?" gray PVC pipe and shade cloth, in an > attempt to keep the pots cooler. The heat seem to be drying out the stems > before they finisher blooming. Any other ideas? > Jim Barton > > > ------------------------------ > > Message: 2 > Date: Mon, 27 Apr 2020 20:14:11 -0400 > From: Judy Glattstein <jgglatt@gmail.com> > To: pbs@lists.pacificbulbsociety.net > Subject: Re: [pbs] Hot Pots > Message-ID: <51812c4b-ba10-61e6-fc59-6ebcddc44e90@gmail.com> > Content-Type: text/plain; charset=utf-8; format=flowed > > Spray pots white? If you decide to do this look for a primer for plastic > surfaces, then use spray paint intended for outdoors. > > Maybe line pots with bubble wrap, against inside surface of pot / > between pot and soil. > > Judy in New Jersey where sunshine is a forgotten thing > > > On 4/27/2020 8:05 PM, Jim Barton via pbs wrote: > > Does anyone grow California native bulbs in 1 gallon black pot in the > Central Valley of California? The growing medium in my pots is becoming > much hotter than the native soil where many of my bulbs are planted. Last > weekend I made a shade structure of ?" gray PVC pipe and shade cloth, in an > attempt to keep the pots cooler. The heat seem to be drying out the stems > before they finisher blooming. Any other ideas? > > Jim Barton > > _______________________________________________ > > pbs mailing list > > pbs@lists.pacificbulbsociety.net > > http://lists.pacificbulbsociety.net/cgi-bin/… > > > > -- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus/ > > > > ------------------------------ > > Message: 3 > Date: Mon, 27 Apr 2020 17:18:42 -0700 > From: "Robin Hansen" <robin@hansennursery.com> > To: "'Pacific Bulb Society'" <pbs@lists.pacificbulbsociety.net> > Subject: Re: [pbs] Hot Pots > Message-ID: <00c901d61cf2$9536d3b0$bfa47b10$@hansennursery.com> > Content-Type: text/plain; charset="us-ascii" > > Clay or ceramic is about the only alternative but needs more watering. The > other way is to put your pots within larger pots and fill in with sand as > an > insulator and of course shade cloth. Just out of curiosity, what kind of > shade cloth did you use and how did you attach it? Any chance of a photo > of > your design? > > Robin Hansen > Soon to be faced with the same problem > > > > ------------------------------ > > Message: 4 > Date: Mon, 27 Apr 2020 17:30:31 -0700 > From: Frederick Thorne <thorne.fred@gmail.com> > To: Pacific Bulb Society <pbs@lists.pacificbulbsociety.net> > Subject: Re: [pbs] Hot Pots > Message-ID: > <CAO9k= > zG3tHPOPTyj2dppmDxTtmO52W9a7aPAqLztc--miTLj9g@mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > Jim, I lived in Live Oak/Yuba City, I used burlap wrapped around the pot. > When the days were 99/100 degrees, I would spray down the burlap and > evaporaton > would cool down the pots. I would do this twice a day, around noon and > again 4 pm. > > On Mon, Apr 27, 2020, 5:05 PM Jim Barton via pbs < > pbs@lists.pacificbulbsociety.net> wrote: > > > Does anyone grow California native bulbs in 1 gallon black pot in the > > Central Valley of California? The growing medium in my pots is becoming > > much hotter than the native soil where many of my bulbs are planted. Last > > weekend I made a shade structure of ?" gray PVC pipe and shade cloth, in > an > > attempt to keep the pots cooler. The heat seem to be drying out the stems > > before they finisher blooming. Any other ideas? > > Jim Barton > > _______________________________________________ > > pbs mailing list > > pbs@lists.pacificbulbsociety.net > > http://lists.pacificbulbsociety.net/cgi-bin/… > > > > > ------------------------------ > > Message: 5 > Date: Mon, 27 Apr 2020 17:50:46 -0700 > From: Diane <voltaire@islandnet.com> > To: Pacific Bulb Society <pbs@lists.pacificbulbsociety.net> > Subject: Re: [pbs] Hot Pots > Message-ID: <28219665-782F-4B13-A1D0-B29841454166@islandnet.com> > Content-Type: text/plain; charset=us-ascii > > wrap in aluminum foil? That would be the quickest.. > > > > > ------------------------------ > > Message: 6 > Date: Mon, 27 Apr 2020 17:58:32 -0700 > From: "Robin Hansen" <robin@hansennursery.com> > To: "'Pacific Bulb Society'" <pbs@lists.pacificbulbsociety.net> > Subject: Re: [pbs] Hot Pots > Message-ID: <00d901d61cf8$2580e640$7082b2c0$@hansennursery.com> > Content-Type: text/plain; charset="us-ascii" > > The various suggestions for avoiding 'hot pots' are good, but I guess my > question is, with burlap and wetting it twice a day, and some of the other > suggestions - we might have time now but won't always, or we'll eventually > get to travel or some of us may not be able for one reason or another to do > some of the more individualized procedures if we have lots of pots... > > Then what? Just curious.... > > Robin Hansen > > > > ------------------------------ > > Message: 7 > Date: Mon, 27 Apr 2020 21:47:29 -0400 > From: Judy Glattstein <jgglatt@gmail.com> > To: pbs@lists.pacificbulbsociety.net > Subject: Re: [pbs] Hot Pots > Message-ID: <0db6ae7e-0590-d864-1eb7-1513502d6962@gmail.com> > Content-Type: text/plain; charset=utf-8; format=flowed > > Plunge pots in a sand bed > > Judy > > On 4/27/2020 8:58 PM, Robin Hansen via pbs wrote: > > The various suggestions for avoiding 'hot pots' are good, but I guess my > > question is, with burlap and wetting it twice a day, and some of the > other > > suggestions - we might have time now but won't always, or we'll > eventually > > get to travel or some of us may not be able for one reason or another to > do > > some of the more individualized procedures if we have lots of pots... > > > > Then what? Just curious.... > > > > Robin Hansen > > > > _______________________________________________ > > pbs mailing list > > pbs@lists.pacificbulbsociety.net > > http://lists.pacificbulbsociety.net/cgi-bin/… > > > > -- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus/ > > > > ------------------------------ > > Message: 8 > Date: Mon, 27 Apr 2020 19:14:07 -0700 > From: Mary Sue Ittner <msittner@mcn.org> > To: pbs@lists.pacificbulbsociety.net > Subject: Re: [pbs] Hot Pots > Message-ID: <d784d21e-3d68-fadd-3e5d-e16ea6827f70@mcn.org> > Content-Type: text/plain; charset=utf-8; format=flowed > > > On 4/27/2020 6:47 PM, Judy Glattstein via pbs wrote: > > Plunge pots in a sand bed > > > > Judy > > > Many years ago Jim Robinett suggested wood for Calochortus when I was > not having luck with black plastic pots. My husband created some deep ones. > > What I have done also which follows Judy's suggestion is to create > raised beds, line with hardware cloth and then put deep pots in place > and like Uli plant several different bulbs that have different storage > organs in a pot the same size and put those pots in the pots in the bed > and then surround all of the pots with a sand gravel mix and mulch on > top. The soil stays a more even temperature and doesn't dry out as much > and I can easily pull the pots out to repot. I've never understood how > to pull out pots in a sand bed without having the sand fill the hole. > There must be a way since a lot of you have them, but the times I've > accidentally pulled out both pots it has been really difficult to get > the base pot back in its spot. Also I have a few pots directly in the > ground that are also in pots the same size. Living in the redwoods > however I do have to pull out the pots every year to keep the redwood > roots out. They go through the sand-gravel mix looking for better soil > and make their way through the drainage holes and create a nest in the > pots. If I have trouble pulling out the pot it is almost always because > of the redwood roots. I cut back any roots I find and repot if > necessary, but otherwise just put the pot back in its slot. > > Mary Sue > > > > ------------------------------ > > Message: 9 > Date: Tue, 28 Apr 2020 02:19:47 +0000 (UTC) > From: Arnold Trachtenberg <arnold140@verizon.net> > To: pbs@lists.pacificbulbsociety.net > Subject: Re: [pbs] Hot Pots > Message-ID: <424492674.1330654.1588040387990@mail.yahoo.com> > Content-Type: text/plain; charset=UTF-8 > > Mary Sue: > Wow, I can imagine fighting redwood roots. > I wet my plunge just before I want to pull out a pot and it helps keeping > the sand in place. > A more labor intensive option on controlling redwood roots is borrowed > from bamboo growers. > They install a vertical shield next to the bamboo bed down a number of > feet and this seems to prevent the bamboo shoots from popping up all over > the place. > Arnold?New Jersey > > > > -----Original Message----- > From: Mary Sue Ittner via pbs <pbs@lists.pacificbulbsociety.net> > To: pbs <pbs@lists.pacificbulbsociety.net> > Cc: Mary Sue Ittner <msittner@mcn.org> > Sent: Mon, Apr 27, 2020 10:14 pm > Subject: Re: [pbs] Hot Pots > > > On 4/27/2020 6:47 PM, Judy Glattstein via pbs wrote: > > Plunge pots in a sand bed > > > > Judy > > > Many years ago Jim Robinett suggested wood for Calochortus when I was > not having luck with black plastic pots. My husband created some deep ones. > > What I have done also which follows Judy's suggestion is to create > raised beds, line with hardware cloth and then put deep pots in place > and like Uli plant several different bulbs that have different storage > organs in a pot the same size and put those pots in the pots in the bed > and then surround all of the pots with a sand gravel mix and mulch on > top. The soil stays a more even temperature and doesn't dry out as much > and I can easily pull the pots out to repot. I've never understood how > to pull out pots in a sand bed without having the sand fill the hole. > There must be a way since a lot of you have them, but the times I've > accidentally pulled out both pots it has been really difficult to get > the base pot back in its spot. Also I have a few pots directly in the > ground that are also in pots the same size. Living in the redwoods > however I do have to pull out the pots every year to keep the redwood > roots out. They go through the sand-gravel mix looking for better soil > and make their way through the drainage holes and create a nest in the > pots. If I have trouble pulling out the pot it is almost always because > of the redwood roots. I cut back any roots I find and repot if > necessary, but otherwise just put the pot back in its slot. > > Mary Sue > > _______________________________________________ > pbs mailing list > pbs@lists.pacificbulbsociety.net > http://lists.pacificbulbsociety.net/cgi-bin/… > > > ------------------------------ > > Message: 10 > Date: Mon, 27 Apr 2020 21:20:19 -0600 > From: <penstemon@q.com> > To: "'Pacific Bulb Society'" <pbs@lists.pacificbulbsociety.net> > Subject: Re: [pbs] Hot Pots > Message-ID: <12c401d61d0b$f23cb980$d6b62c80$@q.com> > Content-Type: text/plain; charset="us-ascii" > > > Then what? Just curious.... > > There are three bulb frames here, the purpose of which is to (hopefully) > increase bulbs I have purchased, before planting them into the garden. > All three frames are more or less sitting on top of the soil in the hottest > part of the garden. Winter protection is in the form of three or four > sheets > of opaque plastic, removed on hot days. It's not much protection. > The bulbs are grown in gallon plastic pots filled with heavy clay (the kind > of stuff gardening books warn you about) plus pea gravel or perlite, and > plunged into the same kind of "soil". The plunge material, if you want to > call it that, is about 20 cm deep. > The largest of the frames has colchicums, weird bellevalias, frits > including > a few Californians, some Californian calochortus, and so on. > Nothing bad happens. And considering the general awfulness of the climate > here, that's something. > The only exception is with pots in which there is too much organic matter; > that's invariably fatal, as sand would be, too. The garden here rarely > receives enough precipitation at any time other than early spring to do the > bulbs any good, so I water the pots from time to time in the summer and > autumn. > > Bob Nold > Denver, Colorado > > > > > ------------------------------ > > Message: 11 > Date: Mon, 27 Apr 2020 13:14:48 -0700 > From: Richard Wagner <xerics.vista@gmail.com> > To: Pacific Bulb Society <pbs@lists.pacificbulbsociety.net> > Subject: [pbs] Does anyone recognise this? > Message-ID: > < > CAJ1BF3yN+AtUo8GVb-rwnEXtLcmLHATYf+699P9UxFd1YPHotw@mail.gmail.com> > Content-Type: text/plain; charset="UTF-8" > > https://photos.app.goo.gl/7TxUyW4bbPucRCmb7/ > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > pbs mailing list > pbs@lists.pacificbulbsociety.net > http://lists.pacificbulbsociety.net/cgi-bin/… > > > ------------------------------ > > End of pbs Digest, Vol 38, Issue 31 > *********************************** > _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/…