When to order: a Bangkok flower calendar

Two things decide whether you get the arrangement you pictured: how far ahead you ordered, and whether the flowers you want are in the market that week. In Bangkok those are separate problems, and the second one catches people out.

The dates that genuinely sell out

• Mother's Day, 12 August. The busiest single day of the Thai florist year, and it is not close. Jasmine garlands and anything jasmine-led should be ordered a week ahead; delivery windows on the day itself go first.
• Valentine's Day, 14 February. Imported red roses tighten from about a week out and prices move with them. If a specific count matters — ten, twenty-four, fifty-one — order ten days ahead.
• Graduation season. Not one date but a rolling several weeks, typically February to March and again around July, varying by university. Money bouquets and sunflowers carry it. Check your ceremony date and order five days ahead.
• New Year, and Chinese New Year. Corporate gifting concentrates into a few days, and courier traffic across Bangkok is the real constraint rather than stock.

What "same day" actually means

Same-day delivery is genuinely available across most of Bangkok, but it narrows as the day goes on and it narrows first on the busy dates above. Our delivery windows page lists the current cut-offs; the short version is that a morning order has the full choice and an evening order does not.

Express in 90 minutes exists for the day you forgot. It is not the way to buy for a date you knew about.

Seasonality, which is not what you would expect

Bangkok's flower market runs year-round, so almost nothing is truly unavailable. What changes is quality and price. The cool season, roughly November to February, is the best window for imported roses and for hydrangea — the stems arrive in better condition and hold longer once they reach you. Through the hot months, locally grown flowers and sunflowers hold up better than delicate imports, and a good florist will steer you that way for a reason.

The rainy season affects delivery more than stock. Afternoon flooding in parts of the city can delay a window; ordering a morning slot in the wet months is a small hedge that costs nothing.

Booking ahead

You can pre-book a delivery date up to sixty days out, which is the sensible way to handle anniversaries and birthdays you already know about. It locks the window before the date gets busy, and it means the arrangement is made on the day rather than held.

A short rule

For an ordinary weekday send, order in the morning for the same day. For anything on the calendar above, order a week ahead. For a date you have known about for months, book it the moment you think of it — you can always change the message later.

The occasions page shows what is coming up next and how many days remain.