Citrus Census

February 9, 2012

Just One Tree

Last week’s blog got a nice response from people excited to bring in their citrus in exchange for dessert or oysters at Waterbar. We are ready for lots of squeezing and zesting.

I also heard from Dr. Isabel Wade of Urban Resources Systems. URS and Dr. Wade have been pioneers in promoting the concept of urban self-reliance in San Francisco since 1981. They have been promoting sustainability way before it was the hip thing to do.

Some of the projects initiated or incubated at URS include:  CityFood, San Francisco ZooDoo, California ReLeaf, the AIDS Memorial Grove, and the Neighborhood Parks Council.  Dr. Wade is also the founding President of Friends of the Urban Forest, and has served as a member of the San Francisco Commission on the Environment and as Chair of the Parks, Recreation, and Open Space Committee.  She also received the Mayor’s Office first Lifetime Achievement Award (Neighborhood Empowerment Network) in 2009. 

URS is taking the lead on an initiative called Just One Tree. The first step is to register all the lemon trees in the city on The Urban Forest Map. No one really knows for sure how many trees are in the city but it has been estimated to be at least 3,000.

Once all the present trees are recorded, Just One Tree wants to plant 12,000 lemon trees in the city’s 150,000 back yards, public parks, and other public lands by the end of 2013.

Just One Tree will illustrate that even a dense city such as San Francisco, with little arable space, can be a striking model and inspiration for other Bay Area and California cities with far more land.  Its success will also hopefully have global resonance and provide a global model that any city can work toward great self-reliance in food production, even if the best result is Just One Crop.

Soon they will have the Just One Tree website up and you will be able to register your lemon tree(s). In the meantime for more information on Just One Tree and to contact them about donating your time and/or money to this great project, go to urbanresourcesystems.org.


  1. A very worthwhile project that continues to grow in a positive way.

  2. This sounds like a really cool project. Better yet would be to actually put all the fruit to use, I know in Marin lots of fruit ends up on the ground.

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