The Q&A Archives: Changing Rose Color

Question: Could you please give me step-by-step instructions on growing my own black rose at home. I know you feed it specific formulas of chemicals and that you have to fill the stems with dye using a needle. I don't know what chemicals and dye to use. My Q is what do I use? Could you explain to me how to grow a black rose,please. I've been searching all morning and no one else can tell me.

Answer: According to the Oxford University rose society, no true black roses exist. Some roses sold as black roses are
actually dark red or maroon. The petals of many of these dark red roses tend to sunburn easily. To see that a rose is not truly black, hold it up next to a piece of black construction paper. To make a dark red rose appear blacker, put its stem in water that has black ink in it. I have listed some roses that have been mentioned when black roses are discussed. Next to some of the roses a very subjective description of the color is given. * Black Jade: dark red miniature, * Cardinal de Richelieu: dark purple Gallica, * Chateau de Clos-Vougeot: HT, deep red blossoms, blackish highlights, poor growth, * Francis Dubreuil: Tea rose, * Guinee: very, very dark red, * Mr. Lincoln: HT, dark red, * Nuits de Young purple Moss rose, * Oklahoma: HT, deep crimson, * Souvenir du Dr Jamain:Hybrid Perpetual, dark red/maroon, * Sympathie: deep red climber,* Taboo: Popular dark rose that has deep red flowers with darker edges (it reportedly has nearly black buds), * The Prince: English rose, very, very dark red/purple, * Tuscany Superb: Gallica, deep maroon velvet.

Other than putting cut flowers in a vase with some black ink, there's really no other way to darken the color.

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