Flowers for a birthday in Berlin: the rose, the lily and a German greeting
A birthday in Berlin can arrive with a bouquet and a bar of German chocolate whose wrapper already carries the greeting: Ritter Sport "Lass Dich Feiern" or Milka "Alles Gute". The chocolate sits alongside the flowers as an extra, while the bouquet itself starts with a choice of flower and colour, roses first, then lilies and gerberas.
Gerberas from European growers and lilies in a second colour
Gerberas sold in Germany come mainly from growers within the EU, and a rose-free birthday bouquet is often built around them. Lilies, gerberas and eustoma are all greenhouse flowers, cut all year round, so this kind of bouquet is just as easy to order in January as in July.
Some people in Germany read an all-white bouquet, lilies, calla, hydrangea or chrysanthemum, as a sign of mourning rather than celebration. A birthday lily therefore usually comes paired with a second colour: a pink lily, an orange gerbera. A white chrysanthemum is avoided for a birthday altogether.
Hydrangea follows the same logic and is chosen in colour rather than white. Where there is no vase to hand, a flower baskets option works instead: the basket stands on its own, stems already resting in soaked foam.

Where Berlin's birthday roses travel from, and how they open
More than 80% of cut flowers reach Germany through the Netherlands, and roses in particular arrive largely from Africa, Kenya above all; German growers cannot cover either the volume or the variety on their own.
Kenyan roses are grown around Lake Naivasha, at roughly 1,880 metres, and their stems tend to be shorter than Ecuador's. Ecuadorian roses are grown in the Andes at 2,800–3,000 metres, where the longest stems run from 70 centimetres to a metre. The Berlin range includes white Ecuadorian roses, and a white rose, like a white lily, reads better paired with a second colour.
A "French" rose is not a variety but a technique: the florist bends the outer petals back by hand, so the bud arrives already open. Peony-shaped roses are most often David Austin varieties, bred for that same full, layered head.
One old German custom calls for an odd number of stems, a habit that made the bunch easier to tie by hand. It is rarely followed now, but an odd number still reads as more festive, and the roses here are sold in bunches of 11 or 15.
Cake, card and chocolate in one birthday order
A bento cake is a palm-sized cake in a takeaway box, a format that started in South Korea, with a short message piped straight onto the icing. Cake with cream filling keeps for no more than two hours at room temperature, so it is best moved to the fridge straight away while the flowers go into water.
A card with your own message comes free, signed or left anonymous as you choose. The chocolate mentioned above is added from gifts to go with bouquets, alongside the bouquet itself.
Birthday flower delivery in Berlin keeps the handover simple: the recipient is not called ahead unless you ask for it, and a restaurant celebration is timed with the venue's staff so the bouquet lands at the toast or the dessert. The florist photographs the finished bouquet before the courier leaves, and most orders are delivered the same day they are placed. Delivery is free in the centre and charged by zone elsewhere; zones and rates are on the delivery page.

A good place to start is roses or mixed bouquets, then add a bar of chocolate to go with them. The full range sits under flowers in Berlin.