Introduction & History

The Temple tangor — sometimes marketed as 'Temple orange' — carries itself with an aristocratic bearing that few citrus can match. Its origin is shrouded in mystery: it appeared in Jamaica in the late 19th century with no clear parents, though its flavour and form strongly suggest it is a natural tangerine × sweet orange hybrid (a tangor). The fruit was brought to Florida around 1896 by a nurseryman named Boyce, and later named after William Chase Temple, a Florida citrus magnate who helped promote it. The Temple quickly earned a reputation as the finest-flavoured citrus in Florida — a claim that, over a century later, remarkably few varieties have challenged. The flavour is an intricate tapestry: mandarin sweetness, orange depth, a whisper of spice, and an aromatic quality that fills a room the moment the rind is broken. For decades it was Florida's most prestigious fresh-eating citrus, the fruit you sent to impress. Though HLB and cold events have reduced Florida plantings dramatically, the Temple remains the benchmark against which all tangors are measured.

History & Origin

Origin unknown — believed to be a natural tangerine × sweet orange hybrid (tangor) that arose in Jamaica. Brought to Florida around 1896 by Myron Gillett or W.C. Boyce. Named after William Chase Temple (1862-1917), a citrus industrialist and former president of the Florida Citrus Exchange who also donated the baseball Temple Cup. Temple became Florida's premier fresh-eating citrus from the 1920s through 1960s. Commercial production peaked in the 1970s before declining due to the 1983 and 1989 freezes, subsequent HLB pressure, and the high seed count's market disadvantage.

Botanical Description

Medium-large evergreen tree, 4-6 m tall, with an upright, somewhat open canopy. Leaves are medium-large, lanceolate, 7-10 cm, dark glossy green with narrowly winged petioles. Flowers white, very fragrant, medium-sized. Fruit is medium to medium-large (7-9 cm diameter), oblate to slightly round. Rind is deep orange, moderately thin, smooth to slightly pebbled, moderately easy to peel. Flesh is deep orange, very juicy, in 10-12 segments, with an exceptionally rich, complex flavour — sweet, spicy, aromatic, often described as the finest-tasting mandarin-type citrus. Seeds are numerous (15-20+), which is its major commercial drawback. Tree has notable thorns, especially on vigorous growth.

Planting & Cultivation

Full sun, well-drained soil, warmest microclimate available. Temple is among the most cold-sensitive of commercial Florida citrus — avoid frost pockets and north-facing slopes. Space trees 5-6 m apart. Plant in spring on a slight mound in clay areas. Graft union 10-15 cm above soil. A polliniser is not strictly needed — Temple sets fruit without one — but cross-pollination increases yield (and seed count). The tree's thorns make it less suitable for high-traffic dooryard locations.

Cultivation

Temple is a moderately vigorous tree that responds well to attentive care. Fertilise with a citrus-specific formula heavy in potassium every 6 weeks during the growing season — potassium is crucial for developing the complex flavour that makes Temple famous. Water consistently during fruit development. The tree is prone to alternate bearing; thinning fruit during heavy years helps moderate the cycle. Thorns are prominent on young trees and vigorous shoots; they diminish on older, mature growth. The extensive seed count (15-20+) is the variety's biggest commercial drawback, limiting its marketability despite the extraordinary flavour.

Climate & Cold Protection

Hardy to only about -2 °C (28 °F). USDA zones 9b-11 — one of the less cold-hardy citrus varieties. The 1983 and 1989 Florida freezes devastated Temple groves, and many were never replanted. Best in south-central Florida, warm California valleys, and equivalent subtropical climates. Requires substantial heat for flavour development — cool-climate fruit lacks the richness that makes Temple special. Not suitable for marginal citrus zones.

Seasonal Care

Spring: Post-harvest pruning; bloom; begin fertiliser programme heavily. Summer: Critical fruit development period — consistent deep watering; potassium and magnesium supplementation. Autumn: Continue feeding through October; maintain irrigation; monitor for mealybugs and scale on developing fruit. Winter: Late-winter harvest (February-March); freeze protection is critical; avoid any activity that stresses the tree during fruit maturation.

Cold Protection

Temple's limited cold hardiness makes protection essential in zone 9b. Microsprinkler irrigation during freeze events is the commercial standard. For dooryard trees, wrap the trunk, mulch heavily, and cover with frost cloth when temperatures below 0 °C are forecast. Young trees (under 4 years) should receive maximum protection — they are the most cold-sensitive stage. After cold damage, wait until April before pruning; Temple often regenerates from seemingly dead wood.

Seasonal Care Calendar

Propagation

Budding: T-bud onto Cleopatra mandarin (historically the standard), Swingle citrumelo, or Carrizo citrange rootstock. Temple has moderate compatibility with most rootstocks. Cleft grafting for top-working older trees. Cuttings: Not recommended — Temple cuttings root poorly. Seed: Seeds are nucellar-zygotic mixed; seedlings are variable and take 6-8 years to fruit. Budding is the only practical propagation method for true-to-type trees.

Diseases & Pests

Highly susceptible to citrus scab — the young fruit and leaves are particularly vulnerable; copper sprays at petal fall and during spring flush are essential. Alternaria brown spot can also affect Temple. The high seed count makes fruit fly a greater concern — seeds increase larval survival. In Florida, HLB has been devastating; Temple trees are particularly symptomatic. Tristeza (CTV) sensitivity on sour orange rootstock caused massive tree losses in the mid-20th century — never use sour orange rootstock for Temple.

Harvesting & Culinary Uses

Temple ripens late — February to March in Florida, making it one of the last citrus to mature. Fruit is ready when deeply coloured (rich orange), heavy, and aromatic. Taste-test is the most reliable maturity indicator — the complex spicy-sweet flavour should be fully developed. Clip with secateurs (mind the thorns). The fruit peels moderately well and segments cleanly despite the many seeds. Stores well: 2-3 weeks at room temperature, 5-6 weeks refrigerated. Yield: 40-80 kg per mature tree.

Culinary Uses

Fresh eating is the Temple's calling — peel, segment, and experience what many consider the finest citrus flavour in the world. The juice is extraordinary, though the many seeds make extraction tedious. Temple juice is the base for the most luxurious orange curd imaginable. Segments elevate any salad — try with endive, Roquefort, and walnuts. The complex zest scents baked goods with a spicy richness that no other citrus provides. Temple marmalade is a gourmet product — dark, deeply flavoured, and complex. The spicy aromatic quality pairs beautifully with dark chocolate.

Rootstock Guide

Cleopatra mandarin: Historical standard, excellent compatibility, good salt and alkaline soil tolerance. Swingle citrumelo: Modern choice for Florida, CTV resistant, good drainage tolerance. Carrizo citrange: California standard, moderate vigour, disease tolerance. NEVER use sour orange rootstock — Temple on sour orange is fatally susceptible to CTV (Tristeza). C-35 citrange for semi-dwarfing in higher-density plantings.

Container & Companion Growing

Container Growing

Marginal for containers due to the tree's moderate size and thorns. If attempted, use 55-65 cm pots and dwarfing rootstock. The thorns make handling unpleasant — wear heavy gloves for maintenance. Indoor overwintering is challenging due to the tree's cold sensitivity and light requirements. For tangor flavour in a container, consider Kiyomi or Murcott instead.

Companion Planting

Plant with Sunburst mandarin or Orlando tangelo for cross-pollination (though Temple will produce without it). Avoid interplanting with other thorny citrus — the combination makes orchard work unpleasant. Low groundcovers like perennial peanut (Arachis glabrata) provide nitrogen fixation and weed suppression. Flowering borders attract pollinators.

Common Mistakes to Avoid

Planting in a cold-exposed location — Temple needs the warmest possible site. Using sour orange rootstock (CTV susceptibility is lethal). Neglecting citrus scab control, which can ruin an entire crop's appearance. Being put off by the high seed count — the flavour more than compensates. Harvesting too early before the full flavour complexity develops. Underwatering during summer fruit development, which reduces both size and flavour.

Frequently Asked Questions