Pansy · São Paulo, São Paulo, Brazil

When to plant pansies in São Paulo

Main outdoor window

year-round warmth

A climate estimate. Check your soil, forecast and cultivar.

Timed from temperature

every month

No frost on record in São Paulo, so the months this crop fits in our temperature model set the timing. This does not confirm local suitability.

First flowers

90–120 days

After planting. With no frost to close the season, the count from sowing is an estimate under suitable growing conditions.

Temperature-based estimate. São Paulo has no dependable frost season. These dates do not account for rain, humidity or waterlogging. Check the local growing season, especially in monsoon climates, before treating this window as a planting recommendation.
Rainfall check: the wettest month is January (about 230 mm), and the driest is August (about 36 mm). Compare all months and check the limitations before choosing the season.

Step by step in São Paulo

Download these planting dates (.ics)

Import into Apple Calendar, Google Calendar or Outlook. Dates use the selected risk level and are planning estimates, not frost alerts.

Each window is a planning range. Check the forecast, soil and cultivar before planting; a later date is not automatically safer in hot or wet conditions.

Plant out

1 Jul - 30 Jun

Monthly average temperatures fit the model all year. This does not rule out heatwaves or establish year-round suitability. Check rainfall, drainage, day length and cultivar needs.

Frost tolerance

Very-hardy

Damaged below

-15°C (5°F)

Days to flowering

90–120

Hardy to

Zone 4a–10a

Spacing

20 cm

Sowing depth

2 mm (0.1 in)

Sun

Partial

Pansies through the year

Against the monthly temperature record in São Paulo

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Pansies

Frost risk Plant out Today

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Seasonal context

Rainfall and the growing season in São Paulo

January has the highest average precipitation (230 mm); August has the lowest (36 mm). Compare this pattern with the planting windows and your water supply.

Jan 230 mm

Feb 174 mm

Mar 146 mm

Apr 84 mm

May 67 mm

Jun 58 mm

Jul 61 mm

Aug 36 mm

Sep 68 mm

Oct 105 mm

Nov 147 mm

Dec 177 mm

During wetter months, check that beds and containers drain after heavy rain. During drier months, plan how you will keep seeds and new transplants watered. Monthly averages can hide long dry spells and intense storms; they do not show soil moisture, humidity or this week's weather.

Frost-free does not mean every month is suitable. In tropical and monsoon climates, rainfall, heat, drainage and the cultivar can set the practical growing season. Match the temperature window to these conditions and check advice from a local grower before buying planting material.

Source: NASA POWER, corrected MERRA-2 precipitation, 2001–2020. Values are approximate monthly totals, including the water equivalent of snow, from the nearest 0.5° × 0.625° grid cell. This reference period differs from the temperature record. Rainfall provides context and does not change the calculated planting dates. Method and limitations.

Monthly growing conditions in São Paulo

Compare the planting window with the local temperature pattern. These are historical monthly averages, not this year's forecast or measured soil temperatures. Average frost days do not tell you whether a particular night will freeze.

NASA POWER climate averages, 1995–2023
Month	Average low	Average high
January	18.6°C (65.5°F)	27.1°C (80.9°F)
February	18.5°C (65.3°F)	27.3°C (81.1°F)
March	17.9°C (64.2°F)	26.5°C (79.8°F)
April	15.8°C (60.5°F)	25.3°C (77.5°F)
May	12.8°C (55.1°F)	22.7°C (72.8°F)
June	11.7°C (53°F)	22.1°C (71.8°F)
July	11°C (51.8°F)	22.4°C (72.3°F)
August	11.8°C (53.3°F)	24.5°C (76°F)
September	13.7°C (56.7°F)	26.7°C (80°F)
October	15.4°C (59.7°F)	27.4°C (81.4°F)
November	16°C (60.9°F)	27.1°C (80.7°F)
December	17.7°C (63.8°F)	27.6°C (81.7°F)

For pansies, also check drainage, sunlight and cultivar requirements. See the rainfall context above; humidity, irrigation and local pest pressure are not calculated.

Local growing check

Before choosing pansies for São Paulo

January is the wettest month in the rainfall grid, averaging about 230 mm. Check how your own bed drains and plan watering around actual soil moisture; monthly rain totals are not an irrigation schedule.

The temperature and rainfall tables on this page show the underlying climate estimates. How these suitability checks work · Record what happens in your garden.

Before you plant pansies

Use the calendar to plan ahead, then check the conditions in your own garden.

In a frost-free climate, check seasonal rainfall, humidity and heat before planting. A month with suitable average temperatures can still be too wet, dry or hot for this crop.
Harden off plants raised indoors: gradually expose them to outdoor light, wind and temperature before their final move into the bed.
Use the maturity range on your seed packet when choosing a variety. Cold, short days and transplant stress can make harvest later than the calendar estimate.

Use pansies for the cool part of your growing year

Use humus-rich, drained growing medium and keep moisture consistent. A pot under a roof may need watering even during rainy weather. Avoid crowding plants so tightly that leaves remain wet and air cannot circulate.

Remove spent flowers and inspect for slugs, leaf spots or rot. When prolonged heat ends the display, replacement with a seasonal alternative may be more useful than repeated feeding. Do not eat nursery flowers unless they were grown specifically for food use.

What to record this season

How long did the chosen variety flower well before heat or disease reduced quality? Add the cultivar, sowing date and conditions to your growing record so you can compare next season.

Further reading: NC State Extension: Viola x wittrockiana . General crop guidance; local dates on this site are calculated separately. Source checked 19 September 2026 by Safe to Plant; this is not an expert review.

The reference describes plant identity and cultivation. Its regional calendar months and hardiness observations do not validate the calculated dates for another location.

How the dates are calculated and their limits · Keep a growing record · Report a local discrepancy

Why these dates

Frost-relative timing needs a dependable seasonal frost date. São Paulo has no such date in this record, so this page compares monthly temperatures with the crop's model range instead. Local wet and dry seasons, day length and cultivar requirements still need a separate check.

The model uses a growing-temperature band for pansies between 5°C (41°F) and 25°C (77°F) — and in São Paulo every monthly mean falls inside that range, which is why the headline says "year-round warmth". Monthly averages can hide unsuitable hot spells. This temperature result does not establish a year-round planting recommendation: check rainfall, drainage, day length and cultivar requirements.

São Paulo sits in zone 10b, which is above the catalog range. Confirm the exact cultivar locally; a zone number alone cannot measure summer heat or winter chill. The calculated dates do not confirm that this crop is suitable here. Check cultivar requirements and local growing experience before planting.

See every crop timed for São Paulo →

Nearby

Pansies in places close by

São Caetano do Sul 12 km Guarulhos 14 km Diadema 15 km Osasco 16 km Santo André 16 km São Bernardo do Campo 18 km

Also in São Paulo

Other flowers to time

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Growing pansies in São Paulo

Can I grow pansies in São Paulo?

The calendar estimates a planting window, not a guarantee of success. January is the wettest month in the rainfall grid, averaging about 230 mm. Check how your own bed drains and plan watering around actual soil moisture; monthly rain totals are not an irrigation schedule.

When should I plant pansies in São Paulo?

São Paulo has no dependable frost season, and monthly averages fit the temperature model for pansies all year. This is not a year-round recommendation: check rainfall, heatwaves, day length and cultivar needs. The crop maturity guide is 90 to 120 days under suitable conditions.

How much frost will pansies tolerate?

Check the named variety and local forecast before exposing young growth. The catalog cold-damage figure is a reference, not a guarantee: plant age, acclimatisation, wind and the duration of a freeze affect damage.