Mango before flowering: what to do in the next 30 days

In November and early December, stop frequent irrigation and give no extra nitrogen to bearing mango trees. Let shoots mature and avoid heavy pruning. Note the date of any late flush. Scout for hoppers and white powder as panicles emerge, finish needed sprays before full bloom, and do not spray insecticide or fungicide in bloom.

Updated 2026-11-09

See also: Mango guide and Immunity Mango Special.

Each shoot tip on a mango tree will soon become either a flower panicle or more leaves. You cannot change the weather. You can avoid the mistakes that push the tree toward leaves, and you can be ready when panicles appear. This page covers the next 30 days only. For the full year, see the mango guide. If your tree skips whole years, read about alternate bearing.

First, find your own flowering date

Everything below counts back from the date your trees usually flower. That date changes with region, variety and year. In the Konkan, Alphonso flowering normally starts in November. Junagadh research says Kesar flowering is sensitive to climate and is often delayed by flushes after the monsoon. In Saurashtra, a rise in temperature brought unusual Kesar flowering in February and March 2011.

So use your own records from the last three years, not your neighbour's date. Junagadh Agricultural University's climate note for Kesar gives 25 to 30°C days and 15 to 18°C nights as ideal during flowering. A warm or wet November can move your date.

Water: reduce it, and know why

Published advice differs, so read it as a range:

• The National Horticulture Board says frequent irrigation should be avoided 2 to 3 months before the flowering season.
• TNAU, for Tamil Nadu, says to avoid irrigation and fertigation for 30 days before flowering, and to start again as soon as flowering begins.
• A TNAU chapter on mango warns that irrigation during flower bud formation can turn a flower bud into a leaf bud.

The reason matters. A 2022 research review says dry soil does not itself make flowers. It stops new shoots from coming, so the existing leaves can grow older. The Junagadh recommendation lists we read give no stop date for Gujarat, so ask your KVK for your soil.

What to do now:

• If panicles usually come in January, stop frequent irrigation now.
• On drip, stop fertigation as well.
• Do not give one heavy watering "to help" during this period.
• This is for bearing trees. A national pest schedule, written from research in north India, lists thatch cover and irrigation for young plants in December and January.

Nitrogen: close this door

The same review reports that high nitrogen during flower induction can harm panicle emergence or cause mixed shoots. TNAU's Tamil Nadu timing for manures and fertilisers is September to October. Junagadh's schedule for rejuvenated Kesar orchards in South Saurashtra puts the second dose in February.

So do not apply urea or any nitrogen-rich dose in this window, by soil or by drip. If you missed your autumn dose, do not try to make it up now.

Shoot maturity: count the days

Mango flowers at the tip of mature wood. Sources differ on how old that wood must be. TNAU's canopy bulletin says six weeks or older. A Konkan paper on Alphonso says a new flush after the monsoon needs another 80 to 100 days. Use both as a rough guide:

In one trial on Kesar at Junagadh, older shoots reached panicle emergence sooner than new shoots. Tag ten shoots on a few trees and write down the date each flush began. A date in your notebook is better than a guess.

If a late flush has started

A late flush means those shoots may not be ready when the cold comes. The Konkan paper reports that many shoots produced after the monsoon do not flower. It links them to late rain, cloud, heat and humidity in September and October. New leaves also bring pests: Navsari Agricultural University notes hopper intensity is severe during vegetative flush and flowering.

• Keep water and nitrogen off these trees.
• Do not prune hard. TNAU says the heavier the pruning, the more vigorous and numerous the flushes.
• Tip pruning is the one option to discuss. TNAU says young flushes cut back to mature wood may give a floral flush. In the Konkan trial, tip pruning done in the last fortnight of November brought earlier panicles in Alphonso. That is one variety in one place, so try a few branches first.
• Do not start a growth regulator now. Junagadh's paclobutrazol advice for rejuvenated Kesar orchards is a soil application in mid-July.

What to watch when panicles emerge

Hoppers. A Navsari thesis from Paria, Valsad found higher hopper numbers at flower initiation and full bloom, and flowering induced a month early brought hoppers earlier too. The national schedule asks for scouting once a fortnight, one yellow sticky trap per five trees, and pruning crowded branches in December. It places the first spray at early panicle stage if hoppers exceed 5 to 10 per panicle, and the next at full panicle length. TNAU uses 10 per panicle and says the second spray must come before full bloom. For the product and dose, follow the current recommendation of your state agricultural university or KVK.

Powdery mildew. Look for white powdery growth on panicle stalks, flowers and young fruit. Affected flowers may not open and can fall. Do not judge by weather alone. Several Indian sources link the disease to mist, rain or high humidity with cool nights. In a Valsad study, symptoms began as panicles started, and severity was linked to low humidity. Check panicles from the day they appear, and take local spray advice at the start of panicle growth.

Mealybug. Where this is a known problem, the national schedule lists raking soil around the trunk and fastening a 25 cm plastic band on the trunk in November and December, 30 cm above the ground, to stop young nymphs from climbing.

What not to spray in bloom

The national schedule is direct: insecticides and fungicides should be avoided during flower opening and pollination. So finish protection before full bloom. If hoppers rise during full bloom, call your KVK before you spray. Keep bee hives in the orchard if you can. For any other spray in bloom, read the label and ask why you need it. After rain, check again: TNAU notes rain in flowering washes away pollen and encourages hoppers. What happens after fruit set is covered in mango fruit drop.

Where Immunity fits

Send us your village, variety, tree age, the date of the last flush and your usual flowering month, with a photo of the shoots, on +91 99787 91167 (call or WhatsApp). We will tell you what to check first.

Sources

• National Horticulture Board: Mango, irrigation
• National Horticulture Board: Mango, diseases
• TNAU Agritech: Horticulture, fruits, mango (Tamil Nadu)
• TNAU Agritech: ICT-AAS mango crop protection
• TNAU: Canopy management in mango
• TNAU: Production constraints and management in mango, in Management of production problems in tropical fruit crops
• Extension Bulletin No. 1: IPM schedule for mango pests, National Horticulture Mission
• Cavalcante 2022: Mango flowering, review of literature
• Junagadh Agricultural University: Fruit science recommendations
• Shankaraswamy and Neelavathi 2016: Induction of early flowering in mango cv. Kesar, Indian Journal of Agricultural Sciences
• Soudagar et al. 2018: Tip pruning and flowering in Alphonso mango, Indian Journal of Horticulture
• Lunagariya and Varu 2025: Pollination and fruit set of mango cv. Kesar, Indian Journal of Horticulture
• Bana et al. 2020: Weather and powdery mildew of mango in South Gujarat, Journal of Agrometeorology
• Sushil Kumar 2006: Population dynamics and management of mango hopper, PhD thesis, Navsari Agricultural University
• Navsari Agricultural University: Population dynamics of mango hopper and fruit fly, experiment 19.1.30

By Gafar Laiya, founder of Gujarat Bio Organics, working with farmers since 2006. Results differ from farm to farm with soil, weather, crop and management. Farmer experiences on this site are their own reports, not a promise of results.