Shungiku · Yuen Long, Yuen Long, Hong Kong

When to plant shungiku in Yuen Long

Main outdoor window

1 Nov - 16 Dec

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

Timed from temperature

November to April

No frost on record in Yuen Long, 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. Yuen Long 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 288 mm), and the driest is December (about 21 mm). Compare all months and check the limitations before choosing the season.

Step by step in Yuen Long

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.

Sow direct

1 Nov - 16 Dec

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

Frost tolerance
Hardy
Damaged below
-5°C (23°F)
Days to maturity
40–55
Min soil temp
7°C (44.6°F)
Spacing
20 cm
Sowing depth
6 mm (0.2 in)
Sun
Partial

Shungiku through the year

Against the monthly temperature record in Yuen Long

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 Yuen Long

June has the highest average precipitation (288 mm); December has the lowest (21 mm). Compare this pattern with the planting windows and your water supply.

Jan 36 mm
Feb 29 mm
Mar 70 mm
Apr 109 mm
May 233 mm
Jun 288 mm
Jul 198 mm
Aug 235 mm
Sep 171 mm
Oct 55 mm
Nov 29 mm
Dec 21 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 Yuen Long

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 13.2°C (55.7°F) 19.5°C (67.2°F) 0.0
February 14.9°C (58.8°F) 20.6°C (69°F) 0.0
March 17.9°C (64.2°F) 23°C (73.4°F) 0.0
April 21.3°C (70.3°F) 25.7°C (78.2°F) 0.0
May 24.6°C (76.4°F) 28.2°C (82.8°F) 0.0
June 27°C (80.6°F) 29.4°C (85°F) 0.0
July 27.6°C (81.6°F) 30.1°C (86.2°F) 0.0
August 27.4°C (81.3°F) 30.1°C (86.3°F) 0.0
September 26.2°C (79.1°F) 29.7°C (85.5°F) 0.0
October 23.1°C (73.5°F) 28°C (82.4°F) 0.0
November 19°C (66.3°F) 25°C (77.1°F) 0.0
December 14.1°C (57.3°F) 20.8°C (69.5°F) 0.0

For shungiku, 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 shungiku for Yuen Long

  • June is the wettest month in the rainfall grid, averaging about 288 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 shungiku

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

  • Measure the soil at sowing depth. Aim for at least 7°C (44.6°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.
  • 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.

Grow edible garland chrysanthemum for young aromatic shoots

Use a suitable cool season, sun or some summer shade, and drained fertile soil. Hot conditions can make the crop more bitter, so small successive sowings may be more useful than nursing an old plant through heat.

Cut young shoots while retaining growth for recovery, or harvest small plants in batches. Taste prepared leaves at different stages to learn your preferred strength and texture. Keep a few plants to flower only if that fits the growing plan.

What to record this season

At what shoot stage was the aroma pleasant without excessive bitterness? Add the cultivar, sowing date and conditions to your growing record so you can compare next season.

Further reading: Chrysanthemum coronarium Chop-Suey Greens PFAF Plant Database . 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. Yuen Long 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 shungiku between 7°C (44.6°F) and 25°C (77°F) — and in Yuen Long that is November to April, 6 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 Yuen Long →

Growing shungiku in Yuen Long

Can I grow shungiku in Yuen Long?

The calendar estimates a planting window, not a guarantee of success. June is the wettest month in the rainfall grid, averaging about 288 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 shungiku in Yuen Long?

The temperature-based window is 1 Nov - 16 Dec. Yuen Long has no dependable frost season: November to April have monthly averages inside the model range for shungiku. Check seasonal rainfall, heat and cultivar requirements before planting.

How much frost will shungiku 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.