為什麼沒有藍色的花?

是有藍色的花,可能沒留意吧!
像又叫藍豬耳的夏堇,藍色花的翠蘆莉,藍睡蓮等!
還有紫羅蘭,三色堇,勿忘我,都有藍色花的!
只是園藝家到現在還沒有種出藍色的玫瑰花!
世界上最名貴和少有是黑色的花!
園藝家還未能栽培出真正的黑玫瑰,黑牡丹和黑色鬱金香!
他們現在都只是能夠栽培出深紫紅色近黑的花吧!

另有回答比這個正確.

世界上有好多花係藍色嘅
http://www.prescottweddings.com/Su_larkspur.jpg
http://www.caitriona.net/c/2004/04/20.jpg
http://www.atpm.com/11.02/nature/images/blue-flower.jpg
http://chimera.stfx.ca/flora/image/blue_flower.jpg
http://www.justmarystuff.com/painter/week4/flowerphoto.jpg
http://www.savageheart.com/May1998/BlueFlower50.jpg
http://www.shaminir.com/images/highquality/garden/blueflowers1.JPG
http://www.pounsleyplants.com/AgapanthusJacksBlue.jpg
http://www.monteverdetours.com/images/galleryflower/blueflower.jpg
http://www.ooer.com/content/photos/photos/blueflower.jpg
http://www.socksoff.co.uk/00001/page03/Blue_Flower_1600.jpg
http://www.stanford.edu/~grg/images/blue_flower.jpg
http://www.dunwoodygardenclub.com/april_06/star_blue.jpg
連黑色都有
http://mishami.image.pbase.com/u8/dugdug/large/1525594.flower_black1.jpg
http://www.wastelandzine.com/blackflowernybg.jpg
但係好似冇金色、銀色、灰色囉.

我在荷蘭看見藍色的鬱金香！也看見黑色的！