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Yellow Leaves
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| PaulM |
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Posts: 2
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Joined: 06 Mar 2007
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Location: Almeria, Spain
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Posted: Tue Mar 06, 2007 9:25 pm
Post subject: Yellow Leaves
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We moved into our new house a few months ago and are gradually trying to stock the garden. Unfortunately a lot of plants seem to be very reluctant to grow and the leaves tend to go yellow.
It has happened to hisbiscus, bougainvillea, palms, yucca, dama de noche (sorry, don't know the English name) and a couple of others that I can't remember. I don't know whether I am under-watering, over-watering or what. All suggestions gratefully received.
Our soil is pretty poor. The natural soil on our plot is a yucky grey shale that is basically just crumbled rock, like concrete when dry and turns to liquid when wet. We have added new soil from various sources, but none of it looks all that great. We have also tried adding some horse manure. This may be a bit off-topic for a site called UK Garden Websites, but we are in Almeria, about 300m up the side of a mountain, 10 km from the coast.
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| ukgardenwebsites |
Site Admin
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Posts: 79
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Joined: 07 Sep 2005
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Posted: Sun Mar 11, 2007 2:07 pm
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Sounds like your doing the right things..
The soil sounds like a big issue..
Horse manure is perfect but its amazing how much you need..
How deep is the soil, that could be a big problem..
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| PaulM |
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Posts: 2
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Joined: 06 Mar 2007
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Location: Almeria, Spain
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Posted: Mon Mar 12, 2007 9:53 am
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Soil depth varies hugely from 200mm to 2m. It doesn't seem to make much difference to the yellowing problem: we even have a yucca in a pot that is in just compost that has the same problem.
Yes, I can appreciate how much manure we need. I'm trying to persuade the horses to produce more, but there's only so much they can do in a day. I thought perhaps I should get him to eat the weeds, and maybe we could kill two birds with one stone. (No problem with yellowing leaves on the weeds, of course! I've tried to kid myself the weedy bit is a "garden full of native species", but they still look like weeds.)
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| ukgardenwebsites |
Site Admin
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Posts: 79
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Joined: 07 Sep 2005
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Posted: Tue Mar 13, 2007 5:21 pm
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4 main problems are:
1, Over watering
2, Under watering
3, Soil - not enough food or the wrong type e.g. clay..
4, a Sick plant..
In regards to watering try the following
The best way to water the plant is to thoroughly soak the soil and then do not water it again until the soil's surface is dry..
You must make sure the drainage is good.. If in a pot then water should flow out of the bottom..
If need in a pot you need to do the same but imagine the amount of drainage/soaking
I hope that helps
Keep me up to date 
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| Gardenmaker |
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Posts: 11
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Joined: 05 Dec 2007
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Posted: Thu Dec 06, 2007 2:36 pm
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Without knowing your climate or your soil this is tricky! I would get the soil analyzed to see what pH it is first because this sounds a bit like chlorosis (some plants find it impossible to unlock trace elements from different pH soils and suffer as a consequence).
Dave
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