Why don't we have multi-coloured roses?
360201
But there ARE multicolored roses. And that isn't a physics question.
466674
Plants cannot change color in and of themselves.  What could happen, though, is that one plant could be pollinated by a neighboring plant and it would produce seed that contained some of the characteristics of both plants.
225246
The flowers have five petals (with the exception of Rosa sericea which often has only four)
529319
roses are red, violets are blue, lemons are sauer and so arnt u...
567192
Actually if we grow a plant( especially the trees) from its seed it may take a long time to flower. So if we do budding or grafting or layering the plant part will behave like the mature plant and we will get quick yield. Through seeds the plant may not produce the same quality seedlings like that of mother plant. Most often the undesired character can appear. In order to produce plant that has all the characters of the mother plants these methods are essential. In some plants like roses it is very difficult to produce seeds and it is very difficult to germinate also. So in that case these techniques are essential. In some cases the plant may have triploid and tetraploids which often may not produce seeds at all. More over, seedless varieties are preferred as in case of banana mostly the edible varieties are triploids. In some plants we may require thousands of progenies at a time (orchids, bananas etc). Then we will go for tissue culture. In tuber crops, ginger, turmeric etc he main propagation is through the tubers. I hope it is clear now.
130075
Any color Roses especially the peach ones, CallaLilly, Any Lilly, Delphiniums, Dendrobium, tulips, monkeypaws, Bells of Ireland, Liatrus, Freesia, Bird of Paradise, Daffodils, orchids, gerber babies, Lilac, etc.  I just LOVE flowers, any flower- either all of one or a mix of several!
268258
I prefer plantable flowers because I can have them always in my flower beds.  Its just a little reminder of that special moment.  And they make beautiful flower beds.
718207
its how the flowershop sold flowers its by 12, by 24, 36.\nsome guys want to give lots of flowers to impress their woman that is why flowershops packed it that way for convenience. some guys cannot decide easily how many rose to give their girl so if done that way they can easily decide and compare prices. its obvious 12's is cheaper than 24's so they pick it up.
771207
TOO EXPENSIVE, ONLY A TWO WEEK SEASON AND WOULD BE HARD TO KEEP FRESH. I SUGGEST AN ALTERNATIVE OR HOW BOUT INSERTING SOME REALISTIC SILKS IN THE BOUQUET.  I HAVE ALWAYS SUGGESTED THAT THRU THE YEARS.  GOOD LUCK
831792
You can test growing different types of plants in different types of light or kinds/amounts of fertilizer.\n\nOne science project I saw that was visually interesting was done by a student who put white roses in different saturations of colored water (the white flower will turn colors.)\n\nOr could try growing mold on different kinds of food in different containers...putting eggs in different amounts of vinegar...\n\nGood luck.
180090
For the same reason that some people have brown eyes and others have blue. Its the type of plant they are.
301822
Flower language was very popular during the 19th century, and it was well known among the high societies of different European countries. Nowadays, however, little of it persists; and most people are not aware there ever was such a thing. If you send yellow roses, the recipient will probably happily accept them and think it was an extravagant color choice for such a sweet gift.
742746
you can make a blue rose by changing its geneitc makeup. or you can take white roses, cut the stem on an angle and put in a glass with water that has been mixed with blue food coloring.  it will take a few days, but as the rose drinks the water, its pigment will change.\noranges come in pieces because that is the nature of thing. genetics. why do humans have hands and feet, why do our hearts and lungs come in a cavity.
76059
because there is no red in the light for the rose to reflect. a white light contains all the colors so it can reflect back any colors that aren't absorbed by the rose. in this case the rose absorbs all of the light and appears black.
687086
I have a lot of friends who are white, black, asian, purple, polka-dotted and striped.\n\nWhat's your point?  \n\nAnd .... does your WIFE know you're posting this request?
471530
I'm not totally sure on this, just guessing what my mum has told me, and seeing how she gardens a lot, I'll assume it's true: The red and white seeds can grow together, to form a hybrid, adding a percentage of both colors to form pink. Hope it helps!
596385
Personally, I don't think it is appropriate because to me flowers are so intimate. Blind dates are casual, no? Unless it's your signature, something you personally do all the time, then maybe. (Like you own a flower shop or arrange flowers or grew them yourself.)\nBut if you feel compelled do it right: Roses are really admired by most but the color means different things: Red roses mean romantic love; Purple=love at 1st sight coral and orange mean desire. Yellow=friendship Pink appreciation and white=purity well black ususally=death