Citrus US-1516 (USDA Hardy Rootstock)

A Rootstock for the Hardy, the Hopeful, and the Home Grower In the old groves of the South, a citrus tree had to be more than fruitful—it had to be fearless. Citrus US-1516 carries that spirit. Bred by the USDA, this exceptional tree isn’t just a workhorse for large growers—it’s a strong, disease-tolerant citrus tree you can grow in your own backyard. Whether you’re looking to test out grafting, grow your own rootstock, or simply raise a vigorous and unusually hardy citrus tree, US‑1516 is a fine companion. She grows with vigor, forms a robust canopy, and stands tall where others may falter—especially in cooler climates or areas where citrus diseases run rampant. Even without a grafted variety on top, she’s worth growing to appreciate the structure, the strength, and the future possibilities she holds. In every good Southern garden, there ought to be at least one tree that teaches resilience. This is that tree. Citrus US‑1516 is as much promise as it is plant. She’ll take root where others fail, and give you a foundation—whether for fruit, or for hope. Perfect For: Grafting practice: A reliable base for experimenting with citrus grafting at home Testing new scions: Ideal for budding with favorite oranges, lemons, or mandarins Cold-hardy citrus lovers: One of the most resilient citrus trees you can grow Gardeners in HLB-prone or cooler zones: Stays healthy where other citrus struggles Curious growers: A conversation piece with a strong backstory and promise Highlights: 🏡 Home-grower friendly – Ideal for backyard orchards, containers, or test beds ✂️ Great for grafting – Build your own citrus tree by adding your favorite fruiting variety 🌬️ Cold-tolerant and disease-resistant – Handles stress better than most other rootstocks 💪 Strong & sturdy growth – Forms a healthy, full canopy with good structure 🌱 Easy to propagate – Grows well from seed with good uniformity If you’re dreaming of growing citrus from the ground up—or simply want a tree that can take whatever life throws at it—US‑1516 is a strong start. Grow it plain, graft it bold, or plant it as a testament to what Southern citrus can be.