In this episode of the Encyclopedia Botanica podcast, Kyle from Urban Farmstead discusses his experiences growing subtropical plants like oak leaf papaya and various guava varieties in his Sacramento backyard. Kyle shares insights into his zone 9B climate, how he adapts soil for his tropical plants, and specific techniques for growing and maintaining these crops. He also talks about the cold tolerance of different plant varieties, including lemon guava and white sapote, and mentions other noteworthy plants like Babaco papaya and ice cream bean. Check out Kyle's YouTube channel for a full garden tour and more detailed information on his diverse plant collection.