How Long Each Flower Actually Lasts

Most disappointment with flowers is mismatched expectation rather than poor product. A bunch of sweet peas lasting four days has not failed; a bunch of chrysanthemums lasting four days has. Knowing the realistic figures makes it possible to buy for the job.

Two Weeks and Beyond

The long-lasting group, and the answer whenever endurance matters more than character.

Orchids lead comfortably. Cymbidium runs four to six weeks and individual florets two to three. Vanda holds two to three weeks. Paphiopedilum, the slipper orchid, runs four to eight weeks — the longest of anything commonly sold.

Protea and the fynbos genera give two to three weeks fresh and then dry rather than dying, so they continue looking presentable more or less indefinitely.

Chrysanthemum, carnation and alstroemeria all run two weeks or more. Their reputation is poor because they are cheap, not because they are bad, and a field-grown chrysanthemum in autumn is a considerably better flower than the supermarket version suggests.

Anthurium holds two to three weeks with a waxy surface that resists almost everything.

One to Two Weeks

The reliable middle, and where most arrangements should be built.

Commercial roses give ten to fourteen days. Lisianthus, which looks delicate and is not, gives ten to fourteen. Gerbera gives seven to ten, with the caveat that the stems are prone to bending at the neck. Gloriosa gives ten to fourteen. Sandersonia and butterfly ranunculus both reach ten to fourteen, which is unusual for their apparent fragility.

Hydrangea sits awkwardly here — five to eight days as a fresh flower, and effectively permanent if it is an autumn-cut antique head that dries rather than wilting.

Five to Eight Days

Most of the interesting material lives here, and this is the band where buying stage matters most.

Tulips, ranunculus, anemone, scabiosa, muscari, narcissus, freesia, and dahlias. Peonies run five to seven if bought in tight bud and two to three if bought open.

Everything in this group is bought in bud or wasted. A tulip bought closed gives the full run; one bought open gives two days.

Under Five Days

The short-life material, and it should be bought deliberately for a specific occasion rather than as general household flowers.

Garden roses give five to seven, sometimes closer to five in a warm room — the direct consequence of ninety thin petals in an open cup with very little structural reserve.

Clematis gives five to seven and is difficult to condition. Poppies give three to five. Sweet pea gives three to five and nothing changes that.

None of these are defective. They are flowers whose entire appeal comes from the same fragility that shortens them.

The Flowers That Do Not Open After Cutting

A distinction worth knowing, because it determines what stage to buy at.

Most flowers continue developing after cutting, which is why buying in bud gives the full run. Roses, tulips, ranunculus, peonies, lilies and lisianthus all open in the vase.

A few do not. Dahlias are the clearest case — a tight dahlia bud stays tight and then goes over, so they must be bought fully open. Sunflowers open very little further. Gerbera and anemone open and close daily with light rather than progressing.

Buying a dahlia in bud on the assumption it will open is one of the more common ways to waste money on flowers.

The Variables That Move These Numbers

Room temperature does more than anything else. Ten degrees of difference can mean three days, which is why a flower in an unheated hallway in February substantially outlasts the same flower in a heated sitting room.

Buying stage is next. Roughly a third of any flower's life is spent in bud, and buying open forfeits it.

Then water hygiene: a clean vessel, foliage stripped below the line, and complete water changes rather than topping up.

And ethylene exposure, which is the invisible one. A fruit bowl on the same table can cost several days from anything sensitive — carnation, sweet pea, delphinium and snapdragon particularly.

Buying for the Job

For a desk, a reception or anywhere that must simply look correct without attention, buy from the first group. Our Orchid Presence — Classic costs more per stem and less per week than anything else available.

For a house where flowers are a weekly pleasure, buy from the middle. It is the best balance of interest and endurance.

And for a dinner on Saturday, buy from the last group and accept the week. Sweet pea, garden roses and peonies at their peak on the night are worth more than a fortnight of something that merely persists — which is the whole argument for buying seasonally, in the register of our Designer Flower Mix, rather than buying for longevity by default.