The primary purpose of botanical gardens is to cultivate exotic plants. Botanical gardens are institutions dedicated to the study, conservation, and display of a wide variety of plant species. They serve as living collections of plants from around the world, providing a space where visitors can learn about and appreciate the diversity of plant life.

Cultivating Exotic Plants:
Botanical gardens play a crucial role in the cultivation of exotic plants. They collect and grow a vast range of plant species, including rare and endangered ones, from different parts of the world. These gardens provide a controlled environment where plants can thrive and be studied. By carefully managing the conditions such as temperature, humidity, and light, botanical gardens create ideal habitats for these plants to grow and reproduce.

Research and Conservation:
Botanical gardens also serve as research centers, where scientists and botanists study the growth, behavior, and characteristics of various plant species. They conduct research on plant genetics, ecology, and conservation. This research helps in understanding plant biology, discovering new species, and developing strategies for plant conservation.

Conserving Endangered Species:
Many botanical gardens focus on the conservation of endangered plant species. They act as safe havens for these plants, providing protection from habitat destruction, climate change, and other threats. Through careful cultivation and propagation, botanical gardens can preserve and increase the population of endangered plants. They also collaborate with other institutions and organizations to exchange plant material and expertise, further contributing to conservation efforts.

Education and Public Outreach:
Botanical gardens serve as educational institutions, providing a platform for public outreach and environmental education. They organize guided tours, workshops, and educational programs to increase awareness and understanding of plants and their importance in our ecosystem. Visitors can learn about plant adaptations, ecological relationships, and the value of biodiversity. Botanical gardens also contribute to the development of horticultural practices and techniques, which can be applied in gardening and landscaping.

Conclusion:
In summary, the primary purpose of botanical gardens is to cultivate exotic plants. They play a vital role in plant conservation, research, education, and public outreach. By creating a space where plants from diverse ecosystems can be grown and studied, botanical gardens contribute to our understanding of the natural world and the importance of plant biodiversity.

The primary purpose of botanical gardens is "to cultivate exotic plants." These gardens are scientific collections of various plant species from around the world and are essential for research, education, and the conservation of plant diversity.