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Rosemary Gladstar's The Art & Science of Herbalism


  • Tangled Roots Herbal 95 West Pearl Street Nashua, NH 03060 (map)

We are excited to announce that Certified Herbalist Sheilagh Cruickshank will again be teaching Rosemary Gladstar's 9 month Herbal Certification Program at Tangled Roots Herbal starting in March of 2019!

Certification Course Includes:

  • Beautiful binder and Rosemary's delightful lesson books throughout the course

  • Hands on, in person instruction and teachings

  • Q&A with fellow herbalists, and support from your certified instructor Sheiagh and connection to other aspiring herbalists for support while studying

  • Hundreds of Rosemary’s recipes and personal formulas

  • Hands on herbal product making in class 

  • Special Store Offers/Discounts at Tangled Roots Herbal

  • Personal review of all homework

  • A comprehensive approach to effectively use herbs for self and family care.  

  • A beautiful signed certificate for those who successfully complete the course.

Sheilagh Cruickshank is an urban herbalist, teacher and small-space gardener who has been working with and learning from the plants for nearly 20 years. During that time she studied with Rosemary Gladstar, completing the Science and Art of Herbalism Apprenticeship, Advanced Herbal Training and Ecstasy of Teaching programs. An herbal instructor throughout the North Shore of Massachusetts, Sheilagh has co-taught an apprenticeship program at The Green Witch School of Herbalism for over 10 years and offered workshops at The International Herb Symposium, The New England Women’s Herbal Conference and Herbstalk. She is currently a teacher for The Science and Art of Herbalism on-line course. As a free-lance writer, she has contributed pieces to The Herb Quarterly and various herbal - based blogs. Sheilagh is delighted to share the joy, empowerment and self-care that connecting with the plants can bring!

March 16 - 17

April 13 - 14

May 4 - 5

June 29 – 30 Tentative

July 20 -21

August 17 – 18

September 28 – 29 

October~ no class, study group

November 9 - 10

*Payment must be made when registering and all payments are non-refundable

Register Here!