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#1 |
Tomatovillian™
Join Date: Mar 2012
Location: Ottawa, ON
Posts: 128
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Hello all,
Another in my what's wrong series! The leaves have curled, have white spots, and the whole plant looks sickly. I always have problems with rosemary. Salaam |
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#2 |
Tomatovillian™
Join Date: Jul 2013
Location: Ontario
Posts: 3,892
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Rosemary prefers a light, well-drained, alkaline soil. It doesn't like to be over-watered. Perhaps you have been loving it a little too much (with the watering?)
Linda |
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#3 |
Tomatovillian™
Join Date: Mar 2012
Location: Ottawa, ON
Posts: 128
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I think I've watered it once. We've had a lot of rain here and no watering was needed. I think there's only an organic potting mix in pot .
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#4 |
Tomatovillian™
Join Date: Feb 2006
Location: Den of Drunken Fools
Posts: 38,539
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They hate nitrogen.
Worth |
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#5 |
Tomatovillian™
Join Date: Jan 2014
Location: Near Philadelphia, PA
Posts: 1,940
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Might be mildew - give it lots of fresh air and sunshine! As others have said, not too wet (if you have a lot of rain, maybe move under a protective overhanging roof edge?), not too dry, and no fertilizer. Good luck!
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#6 |
Tomatovillian™
Join Date: Apr 2016
Location: Dallas, TX
Posts: 3,825
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I think your dirt is too good. Fill a pot with caliche and top with some nice flinty rocks. Then neglect water and fertilizer. Then watch it smile.
__________________
Stupidity got us into this mess. Why can't it get us out? - Will Rogers |
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#7 |
Tomatovillian™
Join Date: Jun 2015
Location: NewYork 5a
Posts: 2,303
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Powdery mildew. Doesn't look too bad yet. Very common. Wet feet and too good of a
fresh fluffy soil. Especially if it has moisture control. I can't over-winter rosemary so i pick up a nice fresh grown plant like yours every season. It goes right into a pot that grew something else last year. Nice spent soil, good drainage, sometimes add some sand. No mulch. No food. For a cure i believe potassium bicarbonate is the best solution. It is a contact fungicide and will kill off the fungal spores. I use baking soda on my zucchini but it is only effective as a preventative. Not a cure. Seems counterintuitive to use water, but laying the pot on its side, spraying heavily to prevent the puffy loose spores from sticking like a good bath, then spraying... and get it in some wind to dry off quickly. And changing the soil will keep it from coming back. Cheap stuff. Dirt. Loves sun but not wet feet. Mimic dessert dry conditions. And ignore. If you can't move it out of the rain, cover the soil of your pot with something, like a plastic sleeve so it doesn't get a constant saturation. Mine is doing just fine in old soil even with some good storms. Some use a milk spray or dilute vinegar, even mouthwash. |
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#8 |
Tomatovillian™
Join Date: Feb 2006
Location: Den of Drunken Fools
Posts: 38,539
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Cactus mix works good.
Worth |
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#9 |
Tomatovillian™
Join Date: Jul 2013
Location: Ontario
Posts: 3,892
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What Oakley said sounds great!
Reminds me that I finally discovered how to grow Lavender, another med. native. It likes gravel and sand, and drought. I gave it what it needs by planting it along the side of the house under the eaves in builder's sand. Finally, it is happy! I bet Rosemary would love it there too! Linda |
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#10 |
Tomatovillian™
Join Date: Apr 2016
Location: Dallas, TX
Posts: 3,825
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Rosemary really likes full sun, though it will do well enough in bright shade.
__________________
Stupidity got us into this mess. Why can't it get us out? - Will Rogers |
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#11 |
Tomatovillian™
Join Date: Feb 2012
Location: Newfoundland, Canada
Posts: 6,794
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Rosemary also thrives as a houseplant, for the dry soil and neglect that it gets - although it will also get leggy for trying to climb out the windows towards that sun!
My rosemary is huge and a shocking shape... I just potted up to a ten gallon container and a summer in the greenhouse, but I need to air layer and root the gazillion disoriented side shoots. |
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#12 | |
Tomatovillian™
Join Date: Jan 2016
Location: Vancouver Island Canada BC
Posts: 1,253
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They root very quickly in water, too. |
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#13 |
Tomatovillian™
Join Date: Feb 2012
Location: Newfoundland, Canada
Posts: 6,794
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Yeah I need to deal with the last few 'extra' tomatoes so I can get on with Project Rosemary. It is so bad, seriously embarrassing. Need all surplus toms and potting stuff out of the way so that I may stretch her Highness out and figure out the best way to proceed.
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#14 |
Tomatovillian™
Join Date: Feb 2012
Location: Newfoundland, Canada
Posts: 6,794
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@ oakley, Lemon Balm is another edible herb that is hardy here. Winter Savory I had for years but finally perished engulfed by moss and conifers. Horseradish and Sunchokes I got from the farm, they are perennial but not especially enthused with my site/companions so far. I suspect the ravens of plucking up horseradish, although a few have survived. Egyptian Onions and other perennial green onions, leeks etc overwintering no problem, garlic especially porcelains even seem to relish the cold spring weather as long as snow is off.
Many perennial medicinal herbs that thrive in my garden, culinary are scarcer but they are cherished!! ![]() |
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#15 |
Tomatovillian™
Join Date: Apr 2016
Location: Dallas, TX
Posts: 3,825
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Think it could be trained to be a living, and really good smelling, Christmas tree?
__________________
Stupidity got us into this mess. Why can't it get us out? - Will Rogers |
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