87 Salamanca Pl, Battery Point TAS 7004
+61 7 3218 4705 floraldecorhouse@gmail.com Mon–Fri 9:00–17:30
Journal
Studio craft 18 Mar 2026 6 min read

How we keep arrangements alive
through a 12-hour event

Cold rooms, water sources and a 4pm top-up run: the unglamorous logistics that keep flowers fresh from 8am install to midnight strike.

The prettiest part of event floristry is the bit everyone sees. The part that decides whether it still looks good at dessert happens in a cool room three days earlier. This is the process nobody asks about and everybody benefits from.

The three days before your event

Stems arrive at the studio two to three days out and go straight into conditioning: fresh cuts at 45 degrees, foliage stripped below the waterline, overnight hydration in the cool room at 4 degrees. Conditioning is the single biggest factor in vase life, and it is why our weekly contract work still looks presentable on Friday. Rushed flowers look fine at noon and sad by dinner.

Florist conditioning fresh stems in buckets inside a studio cool room
Conditioning overnight at 4 degrees. The least glamorous step and the most important.

Water sources, foam and the 4pm top-up

Every arrangement leaves the studio with a water source: soaked foam cages for installs, hidden vessels inside arches, proper reservoirs under table pieces. On long events we run a quiet top-up pass between ceremony and reception, the same way venues check candles. For summer weddings we also pick stems that hold without water for hours, like orchids and tropicals, for anything worn or carried.

Guests judge flowers at hour ten. We arrange for hour ten, not for the install photo.

Five things we do that you never see

Most of longevity is invisible. If your florist does these five, your flowers will outlast the dance floor:

  • Condition every stem overnight in a proper cool room, not a spare fridge next to the milk.
  • Build water sources into the design: foam cages, hidden vials and reservoirs, not just pretty vessels.
  • Schedule a mid-event top-up pass for installs longer than six hours.
  • Match stem choice to exposure; delicate petals never sit in full afternoon sun.
  • Strike smart: salvageable stems get donated or composted, and nothing sits dying in a hot van.

It is not magic and it is not a secret spray. It is a supply chain run by people who have watched a dahlia collapse mid-toast and never got over it. If your event runs long, mention it at enquiry stage and we will build the schedule around it, the same way we plan every full-day install.

Emma Hartley, florist at Floral Decor House in Hobart

Written by

Emma Hartley

Owner and head florist. Personally offended by wilting since 2016.

From the studio floor

From the cool room

Our cool room runs at 4 degrees and smells like a garden in April. It is the most expensive square metre in the studio and the cheapest insurance we own.

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A note on this article. Every event is different and Tasmanian weather does what it likes. These are our standard practices, not a promise that any stem is immortal; the final care plan lands in your proposal.

Ready when you are

Event running
past dinner?

Tell us the run sheet. We will tell you which stems hold up for twelve hours and which we quietly swap.

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