It’s that time of year when rhododendrons are beginning to burst into bloom. Volunteer Nan Ray and gardener Jason Martinez share their knowledge of this incredibly beautiful and diverse plant.

Now’s the perfect time to view the Rhododendron Garden at San Francisco Botanical Garden. You’ll find them between the Garden of Fragrance and the Ancient Plant Garden.

• San Francisco Botanical Garden Bed Map

Dr. Peter Raven, recipient of the San Francisco Botanical Garden Society Green Champion Award, describes the Garden’s impact on him as a young person and its value on future generations of children.