Main Number 
(847) 835-5440

Customer Service
(847) 835-6801

Membership
(847) 835-8215
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Continuing Education
(847) 835-8261
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Plant Information
(847) 835-0972
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Giving to the Garden
(847) 835-6839

Library
(847) 835-8201
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Garden Shop
(847) 835-8336

Garden Café
(847) 835-8375

TDD
(847) 835-0790