Today the gardens include over 5,000 varieties of plants from all over the world including tropical, subtropical, and California native plants. Collections include a tropical plant exhibit in the Dickinson Family Education Conservatory (opened in 2020), the climate-based gardens for the New World and Old World Desert, Coastal sage scrub, Sub-Tropical Fruit, a Pinetum, a Palm Canyon, as well as geographically organized gardens for Africa, Australia, Arid Madagascar Garden, Arid South America, the Canary Islands, Cape South Africa, Central America, the Himalayas, the Mediterranean, the Middle East, New Zealand, the Pan-Tropical Rainforest with a 60-foot waterfall.