A novel Zantedeschia cultivar, designated 14087, is disclosed. The invention relates to the seeds of Zantedeschia cultivar 14087, to the plants of Zantedeschia cultivar 14087 and to methods for producing a Zantedeschia plant produced by crossing the cultivar 14087 with itself or another Zantedeschia variety. The invention further relates to hybrid Zantedeschia seeds and plants produced by crossing the cultivar 14087 with another Zantedeschia cultivar.