Citrus reticulata x sinensis 'Murcott Honey' (Honey Murcott Tangor)

Citrus reticulata x sinensis 'Murcott Honey' (Honey Murcott Tangor) - Complete Citrus Growing Guide

Citrus reticulata x sinensis 'Murcott Honey'

Complete Citrus Growing Guide – Tangor
⏱ 18 min read
Tangor • Rutaceae
Citrus reticulata x sinensis 'Murcott Honey' botanical illustration Botanical illustration of Citrus reticulata x sinensis 'Murcott Honey', a tangor Tangor
🍊
Tangor
Deep Orange Fruit
Deep Orange Flesh
5m
Height
-2°C
Cold Hardy
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USDA Zones 9–11
📅
Late Winter
Features
CommercialFresh EatingJuicing

Introduction & History

Botanical introduction Vintage botanical plate introducing Citrus reticulata x sinensis 'Murcott Honey' Botanical Plate Citrus reticulata x sinensis 'Murcott Honey' Tangor • Rutaceae

In the supermarket produce aisle, the small, slightly flattened mandarin labelled 'honey tangerine' or 'Murcott' has quietly become one of the most commercially successful citrus varieties in the world. The Honey Murcott — named for Charles Murcott Smith, on whose Florida property the original tree was found — produces fruit of stunning sweetness (Brix often exceeding 14) with a honey-like richness that justifies both its names. The variety fills the late-season window from February through April, arriving after clementines have faded and before summer stone fruits take over, providing a sweet citrus option when consumers crave it most.

Family: Rutaceae
Group: Tangor
Origin: Florida, USA
Year Introduced: 1922

History & Origin

The original tree was found on the property of Charles Murcott Smith near Bayview, Florida, in the early 20th century. Its parentage is uncertain — genetic analysis suggests it is a natural tangor (mandarin × sweet orange hybrid). The variety gained commercial attention in the 1940s–50s and became a significant Florida commercial variety by the 1970s. Its late-season maturity and exceptional sweetness drove international adoption — Honey Murcott is now grown commercially in Brazil, Australia, South Africa, and the Mediterranean. In many markets it is sold as 'honey tangerine' due to its distinctive sweet flavour.

Botanical Description

Fruit anatomy Cross-section showing internal structure of Citrus reticulata x sinensis 'Murcott Honey' fruit Fruit Cross-Section Flavedo (rind) Albedo (pith) Juice vesicles Central core Key Facts Type: Tangor Tree height: ~5 m Family: Rutaceae All citrus are evergreen with aromatic oils in leaves, flowers, and fruit rind

A medium-sized, upright-growing evergreen tree reaching 4–5 m with a compact, somewhat columnar canopy. Leaves are medium, narrowly elliptic, dark green. Flowers are fragrant, produced heavily in spring. Fruit is medium (6–7 cm), oblate, with deep orange, thin rind that peels fairly easily but is tighter than Clementine. Flesh is deep orange, extremely juicy, and remarkably sweet — Brix routinely reaches 13–15, among the highest of any citrus. The flavour has a distinctive honey-like quality absent from most mandarins. Seeds are moderate (8–15 in open-pollinated fruit, 0–3 when isolated). The deep orange colour is one of the most intense of any mandarin.

Planting & Cultivation

Planting guide Planting and spacing diagram for Citrus reticulata x sinensis 'Murcott Honey' Planting & Spacing Guide Soil surface 4–6 m spacing Planting Tips • Full sun (6+ hours daily) • Well-drained soil, pH 5.5–6.5 • Root crown at soil level • Mulch 8–10 cm from trunk • Protect from cold winds • Water deeply at planting • Mature height: ~5 m

Plant in full sun in well-drained, fertile soil with pH 5.5–6.5. Space trees 4–5 m apart. The upright, compact growth habit suits higher-density plantings. Plant in spring. Apply generous organic mulch. Install drip irrigation — consistent moisture during the long fruit development period is essential for juice content and sweetness. The tree's compact form makes it manageable for home orchards.

Cultivation

Honey Murcott is a notoriously aggressive alternate bearer — heavy crops one year, virtually nothing the next. Aggressive fruit thinning in heavy years (remove 50% of fruitlets) is essential to maintain annual production. Apply nitrogen carefully — excess promotes vegetative growth over fruit. Potassium is critical for the extreme sweetness. The late maturity (February–April) means fruit must hang through late winter, requiring site selection that avoids frost pockets. The thin rind is prone to splitting in conditions of sudden rainfall after dry periods.

Climate & Cold Protection

Suited to warm subtropical climates (USDA zones 9b–11). Cold tolerance approximately -2°C. The variety requires significant heat for its exceptional sweetness — in cool-summer climates, the sugar levels do not reach the honey-sweet intensity. Florida's warm, humid climate produces the most consistently sweet fruit. California production is good in warm inland valleys. The late maturity means fruit is on the tree during the coldest months.

Seasonal Care

Spring: Heavy bloom; thin aggressively in heavy-crop years; fertilise. Summer: Fruit expanding; consistent irrigation essential; potassium application. Autumn: Fruit colouring deeply; reduce nitrogen; prepare for late harvest. Winter: Fruit maturing; protect from frost; harvest February–April when sweetness peaks. Post-harvest: Apply restorative fertilisation to replenish trees exhausted by heavy crops.

Cold Protection

Protect from sustained frost below -1°C, particularly during the February–April harvest period. Standard citrus cold protection applies. The late-hanging fruit is the most vulnerable part — harvest before forecast severe freeze events to save the crop. The compact tree is relatively easy to cover with frost blankets.

Seasonal Care Calendar

Monthly Care Intensity Chart WaterFeedSprayHarvestJanFebMarAprMayJunJulAugSepOctNovDec

🌱 Spring (Mar–May)

Water: Heavy
Feeding: Heavy feeding
Bloom; thin aggressively; Alternaria spray program begins

☀️ Summer (Jun–Aug)

Water: Very Heavy
Feeding: Regular feeding
Fruit expanding; consistent irrigation; potassium for sweetness

🍂 Autumn (Sep–Nov)

Water: Regular
Feeding: Regular feeding
Fruit colouring; reduce nitrogen; deep orange developing

❄️ Winter (Dec–Feb)

Water: Moderate
Feeding: Light feeding
Late maturity; harvest Feb–Apr when honey-sweet; frost protection

Propagation

Propagation methods Grafting and budding diagram for Citrus reticulata x sinensis 'Murcott Honey' Propagation Methods T-Budding Rootstock Bud Air Layering Moist sphagnum Seed 3–8 years to fruit

Budded onto Swingle citrumelo (Florida standard) or Carrizo citrange. In Australia, Troyer citrange is used. Certified budwood available through industry programs. Seeds are monoembryonic and produce variable offspring. The variety's commercial importance ensures wide availability of certified nursery stock.

Diseases & Pests

Disease identification Common diseases and pests affecting Citrus reticulata x sinensis 'Murcott Honey' Common Citrus Issues Scale insects Citrus canker Prevention • Good drainage prevents root rot • Horticultural oil controls scale • Avoid overhead irrigation • Sanitize pruning tools • Monitor for leaf miner on new growth • Choose CTV-tolerant rootstock • Remove fallen fruit to prevent fungus

Alternaria brown spot is particularly damaging to Murcott, causing dark lesions on fruit, leaves, and shoots. Preventive fungicide programs are essential. HLB/greening is devastating in Florida. The thin rind splits during erratic rainfall, causing fruit loss. Citrus rust mite affects rind appearance. Scale insects and whitefly. Post-bloom fruit drop (caused by Colletotrichum acutatum) can be severe — manage with fungicides during flowering.

Harvesting & Culinary Uses

Harvest guide Harvesting and fruit quality guide for Citrus reticulata x sinensis 'Murcott Honey' Harvesting Guide Harvest Checklist • Pick when fruit reaches full color • Clip stem with secateurs, don't pull • Taste-test for sweetness before harvest • Fruit holds well on tree for weeks • Store at 8–12°C for best shelf life Peak season: Late Winter

Harvest February through April when Brix exceeds 13 and acid drops below 0.8% for optimal honey-sweet flavour. Do not rush — Murcott's sweetness develops late. The deep orange rind and internal colour indicate maturity. Handle carefully; the thin rind tears. Fruit does not hold well on the tree past April — quality declines rapidly in warm spring weather. Store at 5°C for up to 3 weeks.

Culinary Uses

Murcott is primarily an extraordinary eating mandarin — the honey-sweet segments are irresistible out of hand. The juice is too sweet for some cooking applications but makes outstanding sweet citrus beverages and cocktails. Murcott segments elevate fruit salads and pair beautifully with dark chocolate. The intense sweetness works in desserts without added sugar. In Brazilian cafés, fresh Murcott juice is a seasonal treat. The zest adds honeyed citrus notes to cakes and pastries.

Rootstock Guide

Swingle citrumelo is the Florida commercial standard (Phytophthora resistance, CTV tolerance). Carrizo citrange for California. Troyer citrange in Australia. Cleopatra mandarin for salt tolerance. Avoid overly vigorous rootstocks that exacerbate alternate bearing.

Container & Companion Growing

Container Growing

The compact, upright growth makes Murcott a good container choice. Use a 50–60 cm pot on Swingle or Flying Dragon rootstock. The deep orange, glossy fruit is highly ornamental. Expect intense sweetness from container trees if adequate sun and nutrition are provided. The alternate bearing tendency may be more pronounced in containers.

Companion Planting

In commercial settings, plant in blocks for efficient management of the intensive spray programs required. In home gardens, combine with early-season mandarins for extended harvest. Provide pollinisers if seedless fruit is not critical. Native flowering plants attract beneficial insects.

Common Mistakes to Avoid

Not thinning aggressive heavy crops, leading to severe alternate bearing and tree exhaustion. Harvesting too early before the distinctive honey sweetness develops. Ignoring Alternaria brown spot management. Planting in frost pockets where late-hanging fruit is exposed to cold damage. Not providing enough potassium for the extreme sugar accumulation.

Frequently Asked Questions

Why is it called 'Honey' Murcott?

The name reflects the distinctive honey-like sweetness of the fruit. Brix (sugar content) often exceeds 14 — higher than most citrus varieties. The flavour has a genuine honey-like quality that distinguishes it from the simpler sweetness of clementines or navels. This is not marketing hyperbole — the fruit is genuinely, exceptionally sweet.

Why does my Murcott tree only fruit every other year?

Extreme alternate bearing is Murcott's most significant management challenge. Heavy crops exhaust the tree's reserves, suppressing flower initiation for the following year. The only effective management is aggressive thinning: remove 40–50% of fruitlets when marble-sized in heavy years. This allows the tree to retain reserves for consistent annual flowering.

Is Murcott the same as W. Murcott Afourer?

No — W. Murcott (Afourer/Nadorcott) is a different variety, discovered in Morocco, that is seedless when isolated and has become a major international commercial mandarin. Regular Murcott (Honey Murcott) is seedy and has different tree characteristics. The shared 'Murcott' name causes confusion, but they are distinct varieties.

How does Murcott compare to Clementine?

Murcott is significantly sweeter (Brix 13–15 vs. 10–12 for Clementine) with a more complex, honey-like flavour. Clementine peels more easily and has fewer seeds when isolated. Murcott matures later (February–April vs. November–January for Clementine). Both are excellent but serve different seasonal windows and flavour preferences.

Can I reduce Alternaria problems on my Murcott?

Alternaria brown spot is managed through preventive fungicide sprays (copper, mancozeb, or azoxystrobin) applied during spring and summer growth flushes. Remove and destroy affected leaves and fruit. Maintain good air circulation through canopy thinning. In humid climates, the disease is persistent and requires ongoing management throughout the season.

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Honey Murcott is a late-season tangor famous for extraordinary sweetness (Brix 13–15) with a distinctive honey-like flavour. Found in Florida in the early 1900s, it has become commercially important worldwide. The compact tree (USDA 9b–11) is a notorious alternate bearer requiring aggressive thinning. Fruit matures February–April, filling the late-winter citrus gap.

Quick Reference: Citrus reticulata x sinensis 'Murcott Honey'

Group: Tangor
Fruit Colour: Deep Orange
Tree Height: 5m
USDA Zones: 9b-11
Cold Tolerance: -2°C
Fruit Season: Late Winter
Origin: Florida, USA

Key Principles: Full sun, excellent drainage, regular feeding during growth, frost protection in marginal zones, and proper rootstock selection for your climate.

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