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California Gardening

browning protea

11 years ago

I have a Protea cynaroides in the ground for the last 6 months. Our pH is neutral. I think the plant started to brown when we had the really hot weather. Quite a few leaves have either brown edges or are totally brown. It is mulched with tree trimmings. My soil is sandy loam. I live in the San diego area.

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Comments (3)

hoovb zone 9 sunset 23
11 years ago
Are you irrigating it at all? What is the pH and phosphorus content of your source water (water company should list this info)?
chezron
Original Author
11 years ago
Hi Hoovb,

Our water is high in pH. Around 8, maybe higher. We water once a week, deep and long.
I emailed the water company about phosphorus and pH. It is not on their website.
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jean001a
11 years ago
Should be able to locate how-to-grow info online. Perhaps your county's Extension Service office has info.

To locate your county's office, use this clickable map
http://www.csrees.usda.gov/Extension/

How to grow, see this
http://californiaprotea.org/CPApublications.htm#protea_book

and this
http://www.smgrowers.com/info/protea.asp

and this
http://www.californiaproteamgmt.com/planting_protea.html

Lots more out there.

Here is a link that might be useful: locate your county's Extension Service office

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