Recent Posts

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Evergreen Bonsai Discussion / Re: Overwintering cold frame management
« Last post by VanceWood on February 13, 2019, 08:01 AM »
Most people who use a cold frame are trying to keep trees warm.  IMHO this is a mistake and could leave the trees vulnerable to early growth followed by late freezes.  These are the conditions that kill trees.
General Bonsai Discussion / Re: Pigeon woes
« Last post by LanceMac10 on February 08, 2019, 02:04 PM »
Rubber snake next to the pigeon's target tree?
Looked in my backyard last year and counted 6-7 different bird species rifling through the soil!!!
Not much you can do really, trying to connect with nature, not kill it!!!
Good luck and good health.
Deciduous Bonsai Discussion / Viburnum obovatum 'densa' dormancy requirement?
« Last post by Halifax on January 31, 2019, 08:40 PM »
Hi Friends,
I have a Walter's viburnum Viburnum obovatum 'densa' in bonsai culture, having inherited it from an elderly nurseryman last year. He passed away shortly after he gave me the tree, telling me only that it was collected in Florida and is native to Zones 7 to 10. Based on that info, I did not put it into winter cold frame storage and I have been keeping it indoors with my tropicals. It seems to be doing fine, but I am concerned that it is being deprived of winter dormancy and that may ultimately hurt it. Help?

Evergreen Bonsai Discussion / Re: Overwintering cold frame management
« Last post by Leo in NE Illinois on January 07, 2019, 03:50 PM »
Yes, open the cover a bit on warmer days, leave open if nights are mild, above 25 F.

You might try adding an inexpensive 7 inch or 9 inch diameter fan. Point it toward one of the walls, so it moves air around but does not blow directly on the trees. Even a little 3 inch electronics cooling fan could work. You want air moving just enough that if leaves were thin grass, they would be constantly waving in the gentle breeze a litte. You don't need trees swaying, or flapping in the breeze. Leave fan on 24 hrs / 7 days a week.
General Bonsai Discussion / Re: Pigeon woes
« Last post by Leo in NE Illinois on January 07, 2019, 03:45 PM »
Try putting a pan or tray of grit out specifically for the pigeons. Put it in the center of an open space, where they can land without fear of ambush from the surrounding hedges. It might help.
General Bonsai Discussion / Re: Bristlecone Pines
« Last post by Potawatomi13 on December 30, 2018, 03:41 AM »
Yes.  Sorry did not see this post until just now.  Personally went there in 2014 about Sept 13-14.  Campground at 10,000 ft.  Have asthma could hardly breathe and walk at same time. Nevertheless made short 500 ft altitude gain hike to Bristlecones and first time had seen them anywhere.  So amazing to be in presence of these ancients!  There is longer hike to Wheeler Mt peak at 13,000+ ft which was not made(no air).  Would love to go again one day as well as Sierras area.  Read and watch all Great Basin Park videos online and if desired call Park office and can learn much.  Night skies are amazing!
Evergreen Bonsai Discussion / Overwintering cold frame management
« Last post by Halifax on December 27, 2018, 07:41 PM »
Hi Friends,

I am running a pair of cold frames for my miniature and bonsai conifers here in Zone 5a. I have about 5" of cedar mulch as a base and have mounded it around the pots. Temperature profile in the frames is excellent and it provides 10degF or more of protection at night. My concern is the humidity in the frames ... it's pretty much 90% - 100% at all times and I am worried about molds, etc.

Should I be opening the frame covers on warmer days, say when it is above freezing?

Any other advice on running conifer cold frames over the winter? My web searches have not been productive.

General Bonsai Discussion / Pigeon woes
« Last post by WeeTrees on December 07, 2018, 06:00 PM »
Please - no death threats to birds :).  But I have a rather frustrating problem with a gang of 40 odd urban pigeons who've discovered the wealth of grit available to them in my bonsai pots & have thus been decimating it leaving some trees with roots exposed for a period of time until I disvoer the problem to fix it.  I've tried putting net covers on the pots but the birds are quite capable & smart enough to just pull it off regardless of weights etc.  So I've had to resolve to putting a light netting over pots on a shelf but still have some others more exposed.  In an effort to put them off bothering I opted to try a "solution" I read online somewhere - putting pepper or curry spices etc onto the net covers or directly onto the grit.

So now I'm just wanting to find out whether in my zeal to stop the birds killing the trees, if I'm maybe going to beat them to it by putting on something that could perhaps feasibly burn roots??

Ironically I like these birds - they otherwise can provide a bit of interest for me (I'm disabled & semi-housebound) but just at a rather high cost perhaps so I really want to discourage them rather than try to bump them off or use fake hawks etc as I don't want to deter other birds either.  But ultimately the trees have to come first.

Anyone any knowledge or info on it as a deterrent?
General Bonsai Discussion / Re: Calgary Bonsai?
« Last post by Ride4life4 on October 30, 2018, 01:29 PM »
Just wondering if a Calgary bonsai group ever got started out of all this?
Fruiting and Flowering Bonsai Discussion / Camellia concerns
« Last post by WeeTrees on September 29, 2018, 10:36 AM »
I'm a relatively new bonsai keeper having only started 3 years ago but being disabled, have little capacity to do much work on the trees myself & have to rely on another local enthusiast to help.

I bought this Camellia last Christmas as it was labelled a "bonsai" plant although it was in an 8 inch plant pot at the time.  It flowered within a week of arriving which I was overjoyed at but it was stuck indoors as the weather was so cold I wasn't sure about putting it out after the 'shock' of delivery & environment change etc.  At any rate my bonsai guy decided to repot it into a bonsai pot but ever since it's lost far more leaves than it's ever regrown, and apart from pushing out 2 leaves in July, has sat pretty static otherwise.

With the weather now on the turn to once again being very cold and some of my other bonsai plants having dropped a LOT of leaves suddenly, I'm getting a bit nervous for how this one will survive the upcoming winter.  I appreciate it's highly unlikely to flower this year but would just like some encouragement on how it's likely to do.  Do Camellia's do more growing in the cold perhaps - are they a winter flowering shrub?  It was listed as a Camellia sasanqua .

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