A birthday in New Jersey: peonies in early June, their shape all year
Cut peonies in the US Northeast run only from late May to early June, so a birthday in New Jersey gets a real peony only in those weeks; the rest of the year the same full, rounded shape comes from peony-shaped roses. Either way, the flower that suits a birthday depends less on the month's colour palette than on the date itself: pick the real thing if you can, the rose if you can't.
Zones and courier handovers follow the terms and times set on the delivery page, and hospital rules and heat are covered on the flowers in New Jersey page.
Peonies for an early-June birthday, peony-shaped roses after that
Peony growers in the Northeast cut their stems in a short window, from late May to the start of June. A birthday that falls inside those weeks is the one chance in the year to give an actual peony rather than a flower shaped like one.
Peonies are usually cut at what florists call the marshmallow stage: the bud already shows its colour and gives slightly when pressed between two fingers. In warm water and light, it opens fully within a day or two. If the flowers need to be open by the evening of the party, the practical move is to order the bouquet a day ahead rather than on the morning itself.
Once open, a peony holds for five to seven days in the vase. A rose runs a little longer, around a week and sometimes closer to ten days, which matters if the birthday bouquet has to outlast the party itself.
Outside that short peony season, the same dense, many-petalled look comes from peony-shaped roses, most often English varieties bred by David Austin. They are a rose, not a peony, and worth asking for by that name rather than the flower they resemble.

A bouquet to hold through a late-spring birthday outdoors
A late-spring birthday in New Jersey often means a park rather than a dining table, and the Presby Memorial Iris Gardens in Montclair are in bloom through those same weeks, from mid-May to early June. A bouquet meant to be carried, not set down, needs to be built for that from the start.
A hand-tied bouquet built on a spiral, with the stems crossing at one point and fanning out from it, stands on a table by itself once it arrives, so there is no need to hunt for a vase at a picnic or in a park.
The French rose gets the same full, open look by hand: a florist folds the outer petals back one at a time, so the flower arrives already open rather than closed around a tight centre, ready for the moment it is handed over. Paired with lisianthus, a greenhouse flower available in any month, the combination is sold as the Bouquet "Roses with Lisianthus".
New Jersey summers bring their own demands on cut flowers held outdoors for hours, covered on the flowers in New Jersey page.
Birthday flower delivery in New Jersey: who signs the card
A card with a written message comes free with the bouquet, and it can be signed or left blank. The courier works from the recipient's name and address alone and has no way of knowing who sent the flowers unless the sender chose to say.
The recipient isn't called ahead of the delivery unless the sender asks for it. The one exception is a building the courier can't enter without being let in or announced first.
A Bento Cake "Happy Birthday!" can be added to the same order and arrives alongside the bouquet. It's a palm-sized cake with the greeting written on the cream, best treated the same way any cream cake is: not left out at room temperature for more than two hours.
A photo of the finished bouquet goes out before the courier leaves, and most orders reach the recipient on the day they're placed. The exact timing for a given bouquet shows on its own page, and delivery terms and zones are set out on the delivery page.

Start with the date. A real peony works only if the birthday lands in that short early-June window; otherwise, roses or mixed bouquets give the same full shape in any month. Add a bento cake or another of the gifts to go with the bouquet to round out the order.