Description China S-6 is a satsuma mandarin selection valued for both fruit quality and cold resilience. It traces its origin to survivor trees identified after a severe freeze event in China, where only the hardiest individuals persisted—making S-6 a standout among satsumas for growers seeking added margin against cold damage. The fruit ripens with the classic satsuma profile: tender flesh, balanced sweetness, and easy eating. While satsumas are already among the more cold-tolerant mandarins, China S-6 distinguishes itself through its combination of dependable productivity, clean flavor, and proven selection history. Overview High-quality satsuma mandarin with reliable sweetness. Selected from trees that survived a major freeze event in China. More cold tolerant than many mandarin varieties. Compact growth habit suitable for containers or small gardens. Self-fertile. Growing Details Latin Name: Citrus unshiu ’China S-6’Site and Soil: Full sun; well-drained soilRootstock: 1-gallon trees on Flying Dragon; larger sizes on C-35Hardiness: Among the more cold-tolerant satsumas; mature, well-hardened trees can tolerate temperatures down to approximately 15°FBearing Age: 2–4 yearsSize at Maturity:• Flying Dragon: Typically 6–8 ft tall and wide• C-35: Typically 10–12 ft tall and wideNote: Trees grown in containers remain smaller and are easily maintained with pruning.Bloom Time: SpringRipening Time: Mid-season for satsumas; typically late fallPollination Requirements: Self-fertilePests & Diseases: Similar to other citrus; benefits from good airflow and drainage Additional Notes Grower’s Insight: China S-6 originates from satsuma trees selected after surviving a major freeze event in China—making it a thoughtful choice for growers prioritizing resilience alongside fruit quality. Regional Insight: Well suited to mild-winter regions and container culture in cooler climates where satsumas are grown with seasonal protection.
