The Longji terraces are photographed almost exclusively in two states, and a visitor who arrives between them is often quietly disappointed without knowing why.
The water window#
The terraces are flooded but not yet planted, so each level holds a sheet of still water and the whole hillside reflects the sky at sunrise and sunset. This is the image that put the place on posters.
It is also the shortest and least predictable window of the year. The flooding lasts roughly two weeks, and sources disagree on when: some put it from mid-April, others time it to the fifteenth day of the fourth lunar month, which lands later. Both agree it is somewhere in late April to late May and that it is over quickly.
The honest planning advice is that this window cannot be booked from a calendar. If the mirrors are what you want, ask a guesthouse in the villages what the fields are doing this year, and be ready to move your dates.
The green months#
Once the seedlings are in, the terraces read as bright green stripes, and by July the rice stands about a foot high and the hillside is a single deep green.
Green is the safest bet on timing and the least dramatic to photograph. It is also the coolest way to spend a summer day in Guangxi, which is worth something.
The gold window#
Mid-September the rice ripens and the terraces turn gold, and this is the state most people picture. It peaks around the Mid-Autumn Festival — which moves with the lunar calendar and falls in September or early October — and it ends when the harvest begins, generally after 1 October.
That is the trap in the timing. Arrive in the second week of October and you may find the terraces cut and bare. The gold window is real but short, and it closes rather than fading.
Winter, and why it is not a write-off#
Snow on the terraces happens and is spectacular, but it is not reliable, and the villages are cold and quiet. Go in winter for the emptiness rather than for a specific photograph.
Practicalities that matter more than the month#
The terraces are a full day from Guilin, and further from Yangshuo. The road up is slow.
Stay overnight if you can. Dawn and dusk are when the light does the work, and both are unreachable on a day trip. The villages have guesthouses, and staying is what separates seeing the terraces from photographing them.
Weather beats season. A flat grey day in the gold window looks worse than a clear one in July. If your dates are fixed, go and take what you get; if they are flexible, watch the forecast rather than the calendar.
Check before you commit to a specific week. Planting and harvest shift year to year with the weather, and local guesthouses know the current state better than any published date.
For how the terraces fit the region and where to base yourself, see the Guilin and Yangshuo travel guide and should I stay in Guilin or Yangshuo?