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why is my rosemary turning yellow?

8 years ago

it's newly planted, about a month or so ago. in a pot with potting soil with it lightened up with soiless mix. i added a few crushed oak leaves on top as a mulch to keep the soil from drying so quick.

Featured Answer

dancercr

8 years ago

Something else that I've found to be very helpful is if you can water from the bottom up. So if you have the plant in a pot, put the pot in a tray or dish and fill it with water - as opposed to watering the top of the plant. That way the roots reach down towards the water and it literally 'roots in' better, so the plant gets stronger.

Comments (7)

bardamu_gw
8 years ago
It could be too much water, or a nutritional deficiency.... probably one of these. In my opinion, not enough water on rosemary means... green, green, green, brown. First time gardeners usually over water thinking it will solve problems... It sounds like you have made efforts to give it more water.

Do you water regularly? What's the schedule?

Is the pot in direct sun at all?

What kind of potting soil... do you remember the ingredients?
dancercr
8 years ago
I've found the opposite is true - that too much water makes them yellow. I do agree with bardamu_gw, though...is it in direct sun? Too much sunlight can scorch the plant.
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after transplanting.. and root pruning.. it would be best to provide shade for the plant until it can regrow some of the roots.. to support all the green above ... that yours is yellowing.. indicates the lack of properly pumping roots ... but it sound like you cant move the pot ... if you can.. move it to bright shade ... and if you cant.. then rig up some shade where the pot is ... in stress .. like planting.. digging.. etc.. anytime you interfere with the roots ... the lowest oldest leaves are usually those that are sacrificed to maintain the new growth .. had you provided a picture.. we would probably have noted that first thing ... i like to think of a plant as a delicate balance between the root mass.. and the leaves above .. if you significantly reduce that which is below ... then there is going to be trouble above.. especially in sun ... [and the converse of course is.. if you go to town on the top with no insult to the roots.. jump back.. you may be surprised how fast and otherwise healthy plant can regrow ...] take a quick look at the primer below.. for dealing with trees and shrubs.. and note what section one is all about ... timing in not plant specific .. as gal noted... and i reinforce.. there is a time and a season for everything.. and it usually has nothing to do with our whims .. can you stretch the envelop.. sure ... but i am talking about making it easier on the plant.. and you ... less stress for both ... ken https://sites.google.com/site/tnarboretum/Home/planting-a-tree-or-shrub
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pinetta
Original Author
8 years ago
potting soil--just regular kind, but i added a soilless mix to it to lighten it up and make it faster draining. yes it's in the direct sun most of the day. i'll try moving it to get a little shade. i also removed the leaf mulch to help it dry out quicker. i'm also thinking of taking out some of the potting soil and replacing it with more soilless mix. that's what they grow them in at the nurseries and they let them dry out so much you'd think they'd die, but they don't.
bardamu_gw
8 years ago
Pinetta, how big is the pot, and when did you buy the plant? What is regular potting soil? Do you mean you bought a bag of potting soil? Was it a brand name? Did it advertise having everything the plant needs for 3 months or was it a bag o top soil? I would not mess with the roots for now. Maybe a few days of part shade could be good until it recovers. The size of the pot, your zone or location, and watering schedule would help to de termine what's happening.
pinetta
Original Author
8 years ago
size of pot--about 12" in diameter. bought--about 2 months ago. regular potting soil--yes. brand name--i don't think so, but i've bought this potting soil before with no problems. NOT top soil. thx!
jean001a
8 years ago
Please post a picture of the plant.

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