RE: Mediterranean is a Big Word


 

Sent: 21 September 2008 16:19
To: medit-plants@ucdavis.edu; pamela.steele@re-taste.com
Subject: Re: Mediterranean is a Big Word

Brian, Thanks for your ideas
Ola Pamela
 
....from down the road in Portugal - where we have just had our first serious rain shower in 4 months.
 
I am really just writing to express my sympathy. It must be quite depressing to see so many plants fail, including quite a few toughies.
 
I am still on a steep learning curve with my garden and lose quite a few plants - so I am definitely no expert. I too have an alkaline (~pH7.8) clay soil that is like concrete for 8 months of the year.   
 
I have three thoughts for you based on my own disasters.
 
1. Some plants I have bought (from nurseries getting most of their plants from the Netherlands) have been grown too soft and just cannot handle poor soils, reduced water and blazing sun. They look great when bought, but often do not thrive. A particular problem is they are often reluctant to put out roots beyond their original root ball. I think I need to tease the roots out more when planting and sometimes root prune to encourage new roots.
 I have known about Dutch plants for a while and will not on principle buy them. I have been unsure about teasing out the roots when doing so have always been very careful but I will now  try this method in particular and also planting the the mud method as suggested by Kris Kozminski via Tanya Kucak's post.  I thought that was a really interesting article.
 
2. I tend to dig too small a planting hole - often too shallow I think. It is so hard to dig the ground that I give up too soon. I am sure that I have lost some plants in the winter from water pooling in too small a hole.When planting, I add compost and I used to plant into compost + some of the original soil. Now I use much less compost and just use it to open up the planting soil a bit - often with a bit of grit added. I think I am getting better results with this.
 We have never used grit or sand but we are also going to try this...its difficult to get anything other than 'builders sand' here and I don't think that this is OK so I have been reluctant to use it.  
 
3. I have been too "kind" to the plants - too much water and too much fertilizer - especially when they are getting established.
Yes,I probably commit this indiscretion too.
 
There have been some interesting posts on using rocks as mulch.  We have been doing this   since  I read an article in the MGS journal about growing vines in Negev desert and using round stones as mulch and for irrigating the vines due to the overnight moisture runnning down the stones.  But I am now having  second thoughts about this here and it was confirmed that they  heat the soil and they certainly do.  I lifted some rocks which we had put around the aforementioned lavenders and found  the soil very hot underneath.The rocks were hot as well.  I removed them immediately but I think maybe the new roots got cooked in the process
 
Karries email sets it out well they' ADD to the plant?s water loss by increasing ambient temperature'. ...... 
 
We use mulch (grass from neighbours lawns loads of composted Oxalis pes -caprae and we leave some of our pine needles to break down.  We also have a compost bin ( Moira' s recipe which we have had from the start and we now have some worms in the garden).
 
There has been an awful lot of good advice for me from the members of the group and I hope that others will benefit by it and that in time I will be as helpful to others.
 
Pamela
 
 
 
I just wish you better luck in the future.
 
Boa Sorte!
BrianO


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