Why Your Flowers Died in Three Days

Flowers that fail early almost never fail for the reason people assume. The bunch was rarely bad. In the great majority of cases one of five things happened, and four of them are fixable in the first ten minutes after the flowers come through the door.

One: An Air Lock in the Stem

This is the commonest cause by a wide margin and the least understood.

A cut stem draws water up a continuous column. If air enters the base — which it does within seconds of the stem leaving water — a bubble forms and blocks the column. The flower is then standing in water and cannot reach it, which is why an early-failing flower frequently looks perfectly hydrated at the base and wilted at the head.

The fix is to re-cut every stem the moment you get them home, taking off two to three centimetres, and to get them into water immediately. Cutting under running water or in a bowl is better still. Hollow-stemmed flowers — delphinium, amaryllis, Crown Imperial — are particularly prone, and can be filled with water and plugged with a scrap of cotton wool.

Two: Foliage Below the Waterline

Any leaf sitting in water begins to rot within a day, and rotting plant matter breeds bacteria at a remarkable rate. Those bacteria then block the stem's vascular system from the outside in.

This is why water goes cloudy and starts to smell, and cloudy water is not a symptom — it is the cause of what happens next. Strip every leaf that would sit below the waterline before the stems go in, and the arrangement will routinely gain three or four days.

Three: The Vase Was Not Clean

A vase that looks clean and has been sitting in a cupboard carries a biofilm from its last use. Rinsing is not enough; it needs washing with detergent, and ideally a dilute bleach solution rinsed thoroughly afterward.

People find this fussy and it makes a genuine, measurable difference. Bacterial load in the water at the start determines how quickly the stems block.

Four: The Position

Four placements kill flowers quickly and all four are the places people naturally choose because they look best.

Direct sunlight raises the flower's temperature well above the room's and accelerates everything.

Above a radiator or near a heating vent does the same, plus dries the air.

In a draught — beside a frequently opened door, under an air conditioning outlet — increases water loss through the petals faster than the stems can replace it.

Beside a fruit bowl is the one nobody guesses. Ripening fruit releases ethylene, a plant hormone that triggers ageing and petal drop, and some flowers are extremely sensitive to it. A bowl of bananas on the same table can cost several days.

Five: They Were Already Old

Sometimes this is the answer, and it is worth knowing how to tell.

Check the stem ends when you buy. Dark, slimy or dried-out ends mean the flowers have been standing a while. Check whether the outer petals — the guard petals on roses — have been removed, which is done to make older stock look fresher. And press the base of the flower head gently: it should feel firm, and softness at the neck means the flower is at the end of its life whatever the petals look like.

Buying flowers in bud rather than open is the single most useful habit. A rose bought in tight bud gives you its whole life; one bought fully open gives you the last third of it.

What Genuinely Extends Vase Life

Re-cut the stems every two or three days, taking a centimetre each time. Change the water completely rather than topping it up. Keep the vase out of sun and away from fruit. And move it somewhere cool overnight if you can be bothered — flowers held cool at night last substantially longer, which is the entire principle behind a florist's cooler.

What does not help, despite persistent belief: aspirin, pennies, vodka, sugar alone, lemonade, or bleach in quantity. Some of these do very little and some are actively harmful. The commercial sachet is a balanced formulation of a sugar, an acidifier and a biocide, and it outperforms every kitchen remedy.

Realistic Expectations by Flower

A great deal of disappointment is simply mismatched expectation. Chrysanthemum, carnation, alstroemeria and most orchids run two weeks or more. Commercial roses, lisianthus and gerbera give one to two weeks. Tulips, ranunculus, anemone and hydrangea give five to eight days. Garden roses, peonies and poppies give five to seven. Sweet pea gives three to five, and nothing changes that.

If long life is the priority, our Orchid Presence — Classic will outlast anything else in the catalogue. If the flowers are for a specific evening, buy something at its peak and accept the week — the seasonal register of our Designer Flower Mix is bought on that basis.