The Rosemary Thread

GrimLore said:
Although I am not certain yet what species/cultivar that is it does seem the general thought on Rosemary is it will be happy with our Tropicals which stay no lower then 65 to 70f during the Winter. As he said any Sunny location with mild heat will do well. That may be cooler then others keep them but it seems to work just fine for us for a lot of years now.

Grimmy
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With the arctic air...keeping the sunroom at 60 was no small feet. It being built out on stone pillars...and airairb flow under it (even though insulated) account windows and sky lights. This was the coolest its ever been out there. So I should have shot for 65. All seemed to withstood alright...raising the heater temp in the day...it never seemed to shut off.
 
GrimLore said:
Dave What species/cultivar is that Rosemary? Seems there quite a few out there :confused:

Grimmy
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Prostrata. I know that doesn't say a lot but that's what I know. I think the different flavors of prostrata are mostly different colors of flowers. I think the hardiness is the same for all of them.
 
bonsaibp said:
Darlene I would try a small one and bring it in the house when the temps get into the low 40's high 30's and find a cool bright space for it indoors for the winter. As soon as it warms up to over 40 consistently put it back outside. My mom in NJ has had one this way for years.
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I would watch how cool/humid/sunny it is inside. I've rescued ones trying to be grown as house plants. I think a cooler room brings up the relative humidity and they do like sun.
 
Funny.... I'm not receiving notifications about postings anymore. Have "they" changed something here?
 
ABCarve said:
I would watch how cool/humid/sunny it is inside. I've rescued ones trying to be grown as house plants. I think a cooler room brings up the relative humidity and they do like sun.
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I recall...reading your post about that. If it started to far badly...I guess it would be the gazebo with heat controlled at a cooler temp.
 
Cadillactaste said:
I recall...reading your post about that. If it started to far badly...I guess it would be the gazebo with heat controlled at a cooler temp.
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I think if you're worried about keeping it at 60 deg....I think you could go much cooler. They take a freeze and colder just fine. The problem is for how long....roots freezing is not a good thing.
My mother kept one on a glassed-in back porch that would occasionally freeze for short periods of time. The mean temp was probably 40deg.
Eric Group said:
I am surprised at how cold hard Rosemary are! We got down in the teens here this past week a couple nights in a row and for over two days I don't think it got above freezing (not a big deal for Ohio I am sure, but it is uncommon here!) - and mine that I have planted by my front steps to use for cooking, didn't miss a beat- no brown leaves, still growing like it is mid summer from what I can tell! So, I am sure that one would be fine in a heated Gazebo... Probably in the Unheated gazebo, though if it is in a pot I don't know quite how cold it can get.

You have a BEAUTIFUL home BTW...
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The top can freeze but the ground doesn't.
 
Cadillactaste said:
I recall...reading your post about that. If it started to far badly...I guess it would be the gazebo with heat controlled at a cooler temp.
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If it gets really cold as we just experienced.....bring it in the house.
 
Our winter is nowhere as cold as yours but my Rosemary plants are all left outside and they seem to not mind 20 degrees at all. 60s is for your tropical like Bougie but Rosemary should be able to handle much lower than that. :)
 
Poink88 said:
Our winter is nowhere as cold as yours but my Rosemary plants are all left outside and they seem to not mind 20 degrees at all. 60s is for your tropical like Bougie but Rosemary should be able to handle much lower than that. :)
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So an unheated building...say like my gazebo where my juniper and rose tree are currently. (Enclosed with windows and door)
 
ABCarve said:
If it gets really cold as we just experienced.....bring it in the house.
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This should work just fine. They really are tough little plants. Their biggest nemesis is too much water.
 
Cadillactaste said:
So an unheated building...say like my gazebo where my juniper and rose tree are currently. (Enclosed with windows and door)
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I would watch for extended periods where the temps get below freezing. I don't think it would like frozen roots in a pot.
 
Spring update repot

Well the pot I planned for the large rosie was just too small to dare trying to put it in there. So I used it for the small one. It is comparable in size to its previous pot. Very slight trimming of the micro-fiberous roots. I believe that is the trick for rosemary bonsai. It doesn't seem to have skipped a beat. I can't say that for the large one. It continues to have die-back issues from major root reduction which took place a 1-1/2 years ago.

I went to an interesting place near Sandusky, OH, Mulberry Creek Herb farm. I highly recommend to anyone in the area. He has some very big Rosemaries that he grows in the ground for the season and digs them up and pots them in December for cold weather. They are then put back in the ground May-June. Some are 5 ft high with 6 in. trunks and some are in bonsai pots and some used for his miniature railroad garden. He has quite an inventory of dwarf plants and trees that he propagates, very knowledgeable and willing to chat with you. A great believer in "Biochar".
 

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Cadillactaste said:
That rosemary looks amazing in that pot! Sorry to hear about the dieback on your larger one...hopefully it takes a turn around soon.

Any photos of your visit in Sandusky?
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Hey you're from NE Ohio....you should really go see the guy at Mulberry Creek Herb Farm. Very good prices.
 
Thanks for the update. I'm following this thread to see the experience of others mainly on the topic of rootwork and repotting.

I have one in primarily pumice, but with a little pine bark mulch and akadama. I didn't bare root it when I potted it. Still doing well after about 10 days now. It has a little die back and some blackened leaves, but the young foliage is still looking healthy.
 
thumblessprimate1 said:
Thanks for the update. I'm following this thread to see the experience of others mainly on the topic of rootwork and repotting.

I have one in primarily pumice, but with a little pine bark mulch and akadama. I didn't bare root it when I potted it. Still doing well after about 10 days now. It has a little die back and some blackened leaves, but the young foliage is still looking healthy.
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I root pruned the large one in the fall of 2012. It looked great all winter...thought I had it figured until spring growth told me otherwise. It might take a while for some die-back to occur. I really think cutting large roots does it. It's only speculation but it seems like they're associated with specific branches. The guru at the nursery said rosemary is in the mint family, which start with four major segments in the roots coming up. If you look at the nebari you'll see those 4 segments that establish the trunk. When he digs his trees out in the fall the only part that gets disturbed is the very small roots. They are then potted into his own nursery mix.....some in 20-30 gallon plastic garden pots. He has trees 10 years old that are 6 inch trunks.
I would probably try this method as most bonsai has a specific display season, but mine bloom in Sept-Oct. and would be in the ground for the big show. He has varieties that bloom at different times of the year.
 
I hope I could get away with it. One of my larger roots was unintentionally cut. I was hoping that fine roots will grow out of it. We'll see next year perhaps.
 
About 4 months ago I stopped by this great nursery intending to allow myself to purchase one plant. I found an amazing Leucophyllum frutescens (aka Texas Ranger) that I just had to have, the trunk was just BEGGING for bonsai.

But then I stumbled across this Rosemary and well...you know how it goes.

This is the before and after:



The lower left pad did not make it. I live in San Diego and the sun is pretty intense here. That pad was an internal branch which didnt get much sun, and when I reduced the foliage and essentially exposed it I believe it was too much heat for too little leaf. But it still works, I kept the branch as kind of a dead wood.

Great plant though. I hope to back bud the lower right pad to build up its thickness.
 
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