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#1
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Rosemary dying
Just thought I'd ask here in case this is a known problem that somebody is familar with:
I have a small Rosemary bush, approx 12 months since planted. Been going great, put on plenty of growth in that time. About a month ago, one lower branch spontaneusly died. The rest of the plant seemed fine - until this afternoon. Now it's obvious that the entire plant is going to die, the foliage is drying out just like that first branch did. Soil is neither particularly dry or wet, it gets full sun and the weather has been unseasonably warm. The only thing (and it's a long shot IMO) is that I also have Borage growing in the same vicinity, and it's spreading like wildfire. I did note that some Borage had taken hold very close to the base of the Rosemary - I'm wondering if the Borage root system is the cause? Like I said, a lot shot... but it does seem like a fairly invasive plant and makes me wonder what's going on underground. Any ideas or suggestions appreciated, thanks. -- The power of accurate observation is commonly called cynicism by those who haven't got it - George Bernard Shaw |
#2
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Rosemary dying
Jeßus wrote:
Just thought I'd ask here in case this is a known problem that somebody is familar with: I have a small Rosemary bush, approx 12 months since planted. Been going great, put on plenty of growth in that time. About a month ago, one lower branch spontaneusly died. The rest of the plant seemed fine - until this afternoon. Now it's obvious that the entire plant is going to die, the foliage is drying out just like that first branch did. Soil is neither particularly dry or wet, it gets full sun and the weather has been unseasonably warm. The only thing (and it's a long shot IMO) is that I also have Borage growing in the same vicinity, and it's spreading like wildfire. I did note that some Borage had taken hold very close to the base of the Rosemary - I'm wondering if the Borage root system is the cause? Like I said, a lot shot... but it does seem like a fairly invasive plant and makes me wonder what's going on underground. Any ideas or suggestions appreciated, thanks. Soil isn't too wet is it? I just put a plant in a pot and the soil I put in is too heavy and has just been staying wet, the plant has subsequently died. Lionel. |
#3
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Rosemary dying
"Jeßus" wrote in message ... Just thought I'd ask here in case this is a known problem that somebody is familar with: I have a small Rosemary bush, approx 12 months since planted. Been going great, put on plenty of growth in that time. About a month ago, one lower branch spontaneusly died. The rest of the plant seemed fine - until this afternoon. Now it's obvious that the entire plant is going to die, the foliage is drying out just like that first branch did. Soil is neither particularly dry or wet, it gets full sun and the weather has been unseasonably warm. The only thing (and it's a long shot IMO) is that I also have Borage growing in the same vicinity, and it's spreading like wildfire. I did note that some Borage had taken hold very close to the base of the Rosemary - I'm wondering if the Borage root system is the cause? Like I said, a lot shot... but it does seem like a fairly invasive plant and makes me wonder what's going on underground. Any ideas or suggestions appreciated, thanks. -- The power of accurate observation is commonly called cynicism by those who haven't got it - George Bernard Shaw On the most gutless sand in the world in Perth and the rosemary goes ballistic which is great cos I'm allergic to it. So maybe it is your soil type is it clay? My other thought is was the plant root bound in the pot when you got it. The roots tend to stay in the shape they were when in the pot and starve themselves to death. Your job when it does cark is to pull it up and look. If it is still a tight root ball that is your problem. If roots spread out then it could be too much moisture or perhaps something like nematodes (bumps on roots) or a soil borne virus like fusarium. Borage is hungry and does require moisture and grows rather large so maybe starved the rosemary of nutrients and moisture. I have found rosemary to be an easy plant to propagate from cuttings. Only needs fresh cuttings about 12cm long. Strip off 2/3 of the leaves and put in damp sand. Oh on the end that will go into the ground make a cut across 1mm below where there is a pair of leaves. In 8 weeks more than 50% will have roots. that percentage increases if you use rooting hormones. |
#4
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Rosemary dying
On 14 Apr 2010 10:02:25 +0200, Jeßus wrote:
Just thought I'd ask here in case this is a known problem that somebody is familar with: I have a small Rosemary bush, approx 12 months since planted. Been going great, put on plenty of growth in that time. About a month ago, one lower branch spontaneusly died. The rest of the plant seemed fine - until this afternoon. Now it's obvious that the entire plant is going to die, the foliage is drying out just like that first branch did. Soil is neither particularly dry or wet, it gets full sun and the weather has been unseasonably warm. The only thing (and it's a long shot IMO) is that I also have Borage growing in the same vicinity, and it's spreading like wildfire. I did note that some Borage had taken hold very close to the base of the Rosemary - I'm wondering if the Borage root system is the cause? Like I said, a lot shot... but it does seem like a fairly invasive plant and makes me wonder what's going on underground. Any ideas or suggestions appreciated, thanks. It's too wet. |
#5
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Rosemary dying
On Wed, 14 Apr 2010 18:33:13 +1000, Lionel wrote:
Jeßus wrote: Just thought I'd ask here in case this is a known problem that somebody is familar with: I have a small Rosemary bush, approx 12 months since planted. Been going great, put on plenty of growth in that time. About a month ago, one lower branch spontaneusly died. The rest of the plant seemed fine - until this afternoon. Now it's obvious that the entire plant is going to die, the foliage is drying out just like that first branch did. Soil is neither particularly dry or wet, it gets full sun and the weather has been unseasonably warm. The only thing (and it's a long shot IMO) is that I also have Borage growing in the same vicinity, and it's spreading like wildfire. I did note that some Borage had taken hold very close to the base of the Rosemary - I'm wondering if the Borage root system is the cause? Like I said, a lot shot... but it does seem like a fairly invasive plant and makes me wonder what's going on underground. Any ideas or suggestions appreciated, thanks. Soil isn't too wet is it? I just put a plant in a pot and the soil I put in is too heavy and has just been staying wet, the plant has subsequently died. Maybe? I have probed around the plant, it didnt seem to be too wet to me. But there is a fair amount of clay below which might be quite wet. Cheers |
#6
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Rosemary dying
On Wed, 14 Apr 2010 17:32:42 +0800, "Loosecanon"
wrote: "Jeßus" wrote in message ... Just thought I'd ask here in case this is a known problem that somebody is familar with: I have a small Rosemary bush, approx 12 months since planted. Been going great, put on plenty of growth in that time. About a month ago, one lower branch spontaneusly died. The rest of the plant seemed fine - until this afternoon. Now it's obvious that the entire plant is going to die, the foliage is snip On the most gutless sand in the world in Perth and the rosemary goes ballistic which is great cos I'm allergic to it. I pity you on missing out on the joys of Rosemary... So maybe it is your soil type is it clay? Yes, there is certainly clay in the soil. It's basically located in an area that was once a large river, the river soil goes down a long way. My other thought is was the plant root bound in the pot when you got it. The roots tend to stay in the shape they were when in the pot and starve themselves to death. Your job when it does cark is to pull it up and look. I shall do just that, thanks. If it is still a tight root ball that is your problem. If roots spread out then it could be too much moisture or perhaps something like nematodes (bumps on roots) or a soil borne virus like fusarium. Noted. Borage is hungry and does require moisture and grows rather large so maybe starved the rosemary of nutrients and moisture. That is something I was wondering might be a possibility. I have found rosemary to be an easy plant to propagate from cuttings. Only needs fresh cuttings about 12cm long. Strip off 2/3 of the leaves and put in damp sand. Oh on the end that will go into the ground make a cut across 1mm below where there is a pair of leaves. In 8 weeks more than 50% will have roots. that percentage increases if you use rooting hormones. Thanks again. I intend to take some Rosemary cuttings, but will wait for late spring to do that. In the meantime, I bought and planted another 4 Rosemary plants, putting them in a wide variety of sites in the hope that if some suffer the same fate, then hopefully the others in higher/drier sites may prevail. |
#7
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Rosemary dying
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