International Garden Tours

Travel and support the UC Botanical Garden

Basque Country and Northern Spain:
Gardens, Art and Culture
September 16–27, 2024

Escorted by UCBG Advisory board member Katherine Greenberg

Lecture & tour leader Sofia Barroso

Travel arrangements: Sterling Tours

Explore this beautiful region and discover some of Europe’s most fascinating cultures spanning thousands of years from ancient times to the present. This special tour begins in San Sebastian, with excursions to St. Jean de Luz and Bilbao, home of the stunning Guggenheim Museum. We will visit charming medieval villages, including Santillana del Mar, and meander through La Rioja, Spain’s premier wine region, and Valladolid to Madrid. Along the way we will enjoy regional cuisine and the best of Spanish hospitality in private homes and gardens.

This tour is limited to 18 participants.

Download the complete tour itinerary here

Download the Spain tour registration form here


Marrakech: Gardens, Art and Culture
April 2025

Marrakech, founded in the 12th century as a garden city, dazzles visitors with its fascinating culture, spectacular gardens, amazing art and architecture, colorful souks, beautiful landscapes, and regional cuisine. Enjoy the best of Moroccan hospitality in private homes and gardens.

a red pathway leading to a blue house surrounded by a variety of cactus and green plant


Tour Escort: Katherine Greenberg  is a garden designer and author with a special interest in California native plants. She studied at the University of California and the University of Madrid. Currently a UC Botanical Garden Advisory Board Member, Katherine is a past president of the Mediterranean Garden Society, Pacific Horticulture Society, and Friends of the Regional Parks Botanic Garden. Katherine has led tours to Morocco, Spain, Portugal, and Cuba to support the UC Botanical Garden.

For more information and to add your name to the interest list for these small-group tours in support of the UC Botanical Garden click the link below:

INTEREST LIST