How to Grow Guava 'Lucknow-49'
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Guava 'Lucknow-49'
Psidium guajava 'Lucknow-49'
fruitLucknow-49 is a premium guava cultivar originating from India, renowned for its superior fruit quality, sweetness, and disease resistance. This evergreen tree produces medium to large, round fruits with white flesh, smooth skin, and exceptional flavor. It is a high-yielding variety that adapts well to tropical and subtropical climates.
When should you plant Guava 'Lucknow-49' in your zone?
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Example Guava 'Lucknow-49' timeline · Pittsburgh, PA (Zone 6b)
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Plant Guava 'Lucknow-49'
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Guava 'Lucknow-49'
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in USDA zones 9b-12, with best performance in zones 10-11
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Get my Guava 'Lucknow-49' timeline →Growth Stages
Establishment
6-12 monthsYoung sapling (6-12 months) with developing main trunk and lateral branches; limited canopy
Water regularly, install stake for support, protect from strong winds, apply mulch around base. Begin light pruning to shape structure.
Vegetative Growth
1-2 yearsTree develops robust branching structure, 2-3 years old; leafy green canopy expanding
Continue regular watering and mulching. Apply balanced fertilizer every 2-3 months. Prune to maintain open canopy for air circulation.
Pre-Flowering
6-12 monthsMature tree reaching productive age (3-4 years); branch structure well-established
Increase potassium and phosphorus for flower initiation. Ensure adequate sunlight. Reduce nitrogen to encourage flowering rather than excessive vegetative growth.
Flowering & Fruiting
3-4 monthsSmall white or pale pink flowers appear in clusters; flowers develop into young green fruit that gradually enlarges and ripens
Maintain consistent moisture during fruit development. Apply micronutrients if needed. Thin excess fruit to improve size and quality (leave 1 fruit every 6 inches of branch). Protect from pests during this critical stage.
Harvest & Maintenance
Ongoing (annual harvest)Mature fruits ripen to pale yellow or white, become slightly soft to pressure; tree enters regular production cycle
Harvest mature fruits carefully. Prune lightly after fruiting to shape tree and remove diseased branches. Apply mulch and maintain fertilization for next season.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Use fruit bagging, insect traps, or spinosad spray. Remove and destroy infested fruit promptly.
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Spray with neem oil or insecticidal soap. Encourage natural predators like ladybugs.
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Prune infested branches, spray with horticultural oil or neem oil, maintain tree vigor.
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Use yellow sticky traps, spray with neem oil or insecticidal soap regularly.
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Apply systemic insecticide or neem oil; maintain good canopy air circulation.
Uses
Fresh fruit & juice
CulinaryLucknow-49 guavas are prized for fresh consumption and juice production due to their exceptional sweetness and high vitamin C content. The white flesh is seedless or has very few seeds, making them ideal for eating fresh, juicing, or blending into smoothies. [source]
Preserves & processing
CulinaryThe firm flesh and high pectin content make Lucknow-49 excellent for jams, jellies, paste (guava cheese), and canned products with minimal added sugar needed. [source]
Nutritional & antioxidant benefits
MedicinalGuava is rich in lycopene, vitamin C, and polyphenols with traditional uses for digestive health, immune support, and blood sugar management. Lucknow-49 offers these benefits in a superior flavor package. [source]
Leaves for herbal tea
HouseholdYoung guava leaves can be dried and brewed as tea, traditionally used in many cultures for digestive support and to reduce diarrhea due to tannin content. [source]
Dye production
CraftGuava fruit and leaves can be used to create natural dyes for fabric and paper crafting, producing various shades of yellow and brown depending on processing method. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Harvest fruits when they yield slightly to gentle pressure and emit a sweet aroma. Fruits are typically ready 120-150 days after flowering. Pick fruits in early morning before heat stress. Handle gently to avoid bruising. Fruits will continue to ripen for 1-2 days after picking if stored at room temperature.
Fun Facts
- 🌱 Lucknow-49 was developed at the Central Institute for Subtropical Horticulture in Lucknow, India, and is considered one of the finest guava cultivars worldwide, exported to many countries for its exceptional quality.
- 🌱 A single mature Lucknow-49 tree can produce 100-200 pounds of fruit annually under optimal conditions, making it one of the most productive fruit trees for tropical regions.
- 🌱 Guava is sometimes called the 'poor man's apple' in tropical regions due to its nutritional superiority and ease of cultivation, yet premium cultivars like Lucknow-49 command premium prices in global markets.
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