The spray carnation is, like the regular carnation, very sensitive to the aging hormone ethylene. When the flower is exposed to it the flowers will shrink. Other types of flowers often experience dropping of buds, flowers and/or leaves. This decreases the life expectancy to a maximum of 1 week after harvest. And since the distribution and sales period for cut flowers is often a week, waste will be very high for the consumer at home.
Types of ethylene
In principal there are two types of ethylene: