The Q&A Archives: Proper Zone For Chilean Mesquite

Question: Hello. I just walked around our local "Water Conservation Garden" at the community college and noticed the beautiful Chilean Mesquite Tree there. It looked like it was doing quite well. However, I noticed in the Sunset Book and your pages as being a 10-13 zone plant, and we are a zone 23. Will there be much of a problem if I get this tree? I was going to order three of them through Walter Anderson's Nursery (who uses you).
Thank you for your response.

Answer: Prosopis (Mesquite) are quite hardy trees and prefer growing in arid sites. The species you saw locally has obviously adapted to the rather mild year-round climate in San Diego. If you have the space, and really want to grow a Chilean Mesquite, you shouldn't have any difficulty with it. Don't intentionally water after it has become established, and try not to plant it too close to lawns or other gardening spaces. The roots naturally travel great distances to find water and may pop up in areas that are routinely watered. Good luck with your new tree!

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