Water spinach · Tai Po, Tai Po, Hong Kong

When to plant water spinach in Tai Po

Main outdoor window

1 Mar - 15 Apr

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

Timed from temperature

March to November

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

First autumn frost

no autumn frost

The far end of the outdoor season.

Temperature-based estimate. Tai Po 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 June (about 282 mm), and the driest is December (about 25 mm). Compare all months and check the limitations before choosing the season.

Step by step in Tai Po

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 Mar - 15 Apr

The opening weeks of the stretch when the average temperature suits this crop, which here runs from March to November. There is no frost to work around, so heat is what sets the timing.

Frost tolerance
Tender
Damaged below
5°C (41°F)
Days to maturity
45–60
Min soil temp
20°C (68°F)
Spacing
20 cm
Sowing depth
10 mm (0.4 in)
Sun
Full

Water spinach through the year

Against the monthly temperature record in Tai Po

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Frost risk Sow direct Today
Open My Garden

Seasonal context

Rainfall and the growing season in Tai Po

June has the highest average precipitation (282 mm); December has the lowest (25 mm). Compare this pattern with the planting windows and your water supply.

Jan 36 mm
Feb 29 mm
Mar 73 mm
Apr 103 mm
May 211 mm
Jun 282 mm
Jul 185 mm
Aug 219 mm
Sep 159 mm
Oct 48 mm
Nov 30 mm
Dec 25 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 Tai Po

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, 1995–2024
MonthAverage lowAverage highFrost days
January 12.8°C (55°F) 20°C (68°F) 0.0
February 14.5°C (58.1°F) 21.2°C (70.1°F) 0.0
March 17.5°C (63.5°F) 23.7°C (74.6°F) 0.0
April 20.9°C (69.6°F) 26.3°C (79.4°F) 0.0
May 24.1°C (75.3°F) 28.6°C (83.4°F) 0.0
June 26.4°C (79.6°F) 29.6°C (85.4°F) 0.0
July 27°C (80.6°F) 30.3°C (86.5°F) 0.0
August 26.8°C (80.2°F) 30.2°C (86.3°F) 0.0
September 25.6°C (78°F) 29.8°C (85.7°F) 0.0
October 22.4°C (72.4°F) 28.1°C (82.5°F) 0.0
November 18.5°C (65.3°F) 25.2°C (77.4°F) 0.0
December 13.6°C (56.5°F) 21.1°C (70°F) 0.0

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

The catalog flowering or harvest months are not verified for this frost-free climate. Ask a local grower about the cultivar’s seasonal cycle.

Local growing check

Before choosing water spinach for Tai Po

  • June is the wettest month in the rainfall grid, averaging about 282 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 water spinach

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

  • Measure the soil at sowing depth. Aim for at least 20°C (68°F); the calendar estimates soil warmth from air temperatures and cannot measure your bed.
  • 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.

Check planting rules and use a contained, clean growing system

Choose planting material suited to moist-soil or aquatic cultivation. Use a contained bed or vessel with a clean water supply, rather than gathering shoots from an unknown ditch or polluted pond. Plan how discarded stems will be contained.

Harvest young shoots and retain growth for recovery where using a repeated-cut system. Cultivars selected for a single whole-plant harvest may behave differently. Keep records of regrowth and do not assume vigorous spread makes every water source suitable for food production.

What to record this season

Did the contained planting regrow well without escaping into drains or nearby water? Add the cultivar, sowing date and conditions to your growing record so you can compare next season.

Further reading: Plants For A Future: Ipomoea aquatica . 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.

Plants For A Future compiles botanical and cultivation references. This is general species guidance, not a local field trial or evidence that every cultivar will crop in your climate.

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. Tai Po 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 water spinach between 20°C (68°F) and 32°C (89.6°F) — and in Tai Po that is March to November, 9 months of the year, taken from this location's own monthly averages. The planting window begins near the start of this period.

See every crop timed for Tai Po →

Growing water spinach in Tai Po

Can I grow water spinach in Tai Po?

The calendar estimates a planting window, not a guarantee of success. June is the wettest month in the rainfall grid, averaging about 282 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 water spinach in Tai Po?

The temperature-based window is 1 Mar - 15 Apr. Tai Po has no dependable frost season: March to November have monthly averages inside the model range for water spinach. Check seasonal rainfall, heat and cultivar requirements before planting.

How much frost will water spinach 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.