Peonies in New York and the American peony year, March to August
Peonies in New York follow an American season that moves steadily north. The South starts cutting in late March, New York's own weeks fall late May to early June, the Pacific Northwest picks up in June and July, and Alaska alone keeps peonies going into August. Outside that short stretch, a peony bound for a New York bouquet is blooming somewhere else entirely, so the real choice for a city buyer comes down to format and stem count rather than the calendar.
March in the South, June in the Northeast, August in Alaska
The season runs belt by belt across the country. Southern growers cut from late March through May, the Northeast and Midwest — New York included — from late May into early June, and the Pacific Northwest follows close behind in June and July.
Alaska is the one place on earth still cutting peonies in July and August. Test plots went in at the University of Alaska Fairbanks back in 2001, and the harvest stayed small: a niche crop timed for summer weddings rather than a wholesale supply.
Once the northern fields empty out in autumn, the gap doesn't stay empty for long. Chile's season runs October to December, which puts peonies back on a New York table around Thanksgiving. Europe closes the loop the other way, cutting from late April through June. A peony in this city is on the table for most of the year, just never from one field at a time — the plant itself only flowers for seven to ten days wherever it grows.

Vase water or wet foam: which peony gift suits the address
Buying peonies in New York usually starts with one practical question: does the address even have a vase? A bouquet left in a vase needs light and warm water, and that is where a closed peony earns its keep. Left on a windowsill, buds such as those in 11 White Peonies with Eucalyptus open a little more each day, and whoever receives them watches it happen.
The stems sit in floral foam when there is no vase at all. Water the whole surface with a thin stream every day, and an arrangement like 15 Peonies in a Basket holds up much the way a vase bouquet does. Midtown, the city's largest business district, is exactly the kind of address this suits: a box at reception, watered once a day, no vase required.
Several stems or two different addresses change the calculation again. Set of Two Peony Bouquets packs two separate bouquets into one order, and two bouquets bound for two addresses can still travel in a single basket; delivery is simply charged per address. Hospitals complicate things further. The city's larger hospital systems keep live flowers out of intensive care and several other wards, a fact worth checking against the city's flower calendar and its hospitals before anything is sent.
Peony delivery in New York: buds in the photo, open in a day or two
Peonies are cut at what growers call the marshmallow stage: the bud is already coloured, closed, and gives a little under a light press. Cut that way, it opens fully within a day or two once it meets warmth and light.
Before the courier leaves, the florist photographs the finished bouquet. Colour and bud stage are both visible on that photo, and any changes go in before the car pulls away. If a particular flower isn't available, the substitution shows up in the same picture rather than as a surprise at the door.
If nobody is home, that is not the end of it: with the sender's go-ahead, the bouquet can be left with a concierge, at reception, or with a neighbour. How soon it arrives is shown on the bouquet's own page, and the fuller picture sits under delivery terms.
Once it's in water, a peony holds for five to seven days. Change the water daily and keep the vase away from direct heat, which matters most once the city's steam-heated flats switch their radiators on for the season.

A vase gift points towards bouquets with peonies, and a desk with nowhere to put a vase points towards peony boxes. Anyone counting stems rather than looking at a container should start with peonies by the stem count.