Olive Tree (Mission)

Description Mission is the historic backbone of California olive growing, introduced by Spanish missionaries and shaped over generations in New World conditions. More than just an old cultivar, it represents olive adaptation through time—selected not in breeding programs, but through survival, productivity, and usefulness across a wide range of environments. Unlike many Mediterranean cultivars prized for a single trait, Mission is valued for versatility. It functions as a true dual-purpose olive, producing medium-sized fruit suitable for both table preparation and oil extraction. Harvest timing plays a major role in final use, allowing growers to lean toward brined olives or oil depending on maturity. Mission trees tend to grow with moderate to strong vigor and respond well to pruning. Climate and culture strongly influence final size: in warm, in-ground plantings trees can become substantial over time, while container-grown or cooler-region trees remain more compact. With proper siting, drainage, and training, Mission continues to earn its reputation as one of the most adaptable olives available to home growers. Overview Historic olive cultivar foundational to California olive culture Dual-purpose fruit suitable for both oil and table use Adaptable growth shaped by generations of selection Mid-season ripening olive Partially self-fertile; cross-pollination improves yield Growing Details Latin Name: Olea europaea ’Mission’Origin: Introduced to California by Spanish missionaries (18th century)Site and Soil: Full sun preferred; well-drained soil is essentialCold Tolerance: UC Freeze Category: Hardy; established trees have reported wood survival around ~10°FRootstock: Own-root (propagated from cuttings)Bearing Age: Often fruits once established; production improves with maturitySize at Maturity: Typically maintained at 8–12 ft tall and wide with pruningNote: Size reflects managed garden or container-grown trees; growth and ultimate size vary by climate and whether planted in-ground or in containers. Unpruned trees can grow larger over timeBloom Time: Mid to late spring (varies by region)Ripening Time: Mid-season olive; harvest timing varies by climate and intended usePollination: Partially self-fertile; planting a compatible olive within 20–30 feet improves yield and consistencyPests & Diseases: Generally resilient with good airflow and drainage; regional pressure varies Additional Notes Grower’s Insight: Mission’s longevity isn’t accidental—it reflects generations of selection under real growing conditions rather than narrow breeding goals. Regional Insight: Mission performs well across a wide range of climates, including cooler-edge olive regions where adaptability matters more than specialization. Cold-weather note: In olives, the primary cold risk is bark splitting during sudden freezes rather than slow, sustained cold. Use note: Earlier harvests favor greener table olives, while later harvests are typically pressed for oil. Explore more olives in our collection: Olive Trees