Wilting begins immediately after cutting when air enters the flower.
How Long Can Cut Flowers Last Without Water?
Most cut flowers can’t stay fresh without water longer than a couple of hours.
The Spruce / Alyson Brown
There are a few hardier varieties likeroses,carnations, andchrysanthemumsthat can withstand 24 hours without water.
Want more gardening tips?
The optimum temperature for longevity is around 35F to 37F (similar to the temperature in your refrigerator).
Jessica Peterson / Getty Images
One of the worst spots for cut flowers to be left is in a hot car.
Place the flowers in water and allow them to hydrate for a few hours.
Cleanliness
Cleanliness matters in keeping cut flowers fresh.
Malkovstok / Getty Images
Always use fresh cool water and a clean vase or container to prevent bacterial growth.
Change out vase water ever few days for longevity.
Care
Remove excess foliage that steals water from the blooms and can cause bacterial growth.
Remove any leaves below the water line while you are hydrating flowers.
Use a flower preservative, a mixture of microorganisms and respiratory inhibitors, as anenergy source for the flowers.
However, some flowers with sturdy stems can last up to eight hours without water before wilting is noticeable.
Secure the cloth with a rubber band and slip it inside a plastic bag during transport.
During cooler temperatures, they may survive for a few hours.
Always place them in a spot in the car out of direct sunlight.
