Cut anthurium (Anthurium andraeanum Andre, cultivar ‘Ozaki’) flower post-harvest vase life as affected by seasonal and factorial combinations of N, P and K was tested. Vase life varied from 8 to 69 days. Mean maximum temperature during the two months before harvest and during post-harvest life were positively related and explained ∼53% of the variation. At the investigated fertilizer rates, high N reduced flower post-harvest life at 22°C which was alleviated by K, whereas P did not influence cut flower post-harvest life. Nitrogen- and K-fertilization explained ∼13% and ∼17%, respectively of the variation. The type of fertilizer affected the reason for the end of the flower post-harvest life. Spadix necrosis and spathe condition was important at low N- and P- and high K-fertilizer rates. Loss of spathe gloss was important at high N- and low K-fertilization levels. Pre-harvest factors explained 63–71% of the variance of post-harvest life. Optimum fertilizer rate for maximum post-harvest life was 0 kg ha−1 year−1 N; 224 and 448 kg ha−1 year−1 K were equally effective.