- Name: King Of Blacks Carnation - Scientific Name: Dianthus Caryophyllus Grenadin King Of Blacks - Color: Black (Darkest Reddish Purple Available) - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost - Plant Height: 24" - Plant Spacing: 12 - 18" - Bloom Time: Late Spring - Mid Summer - Hardiness Zone: 5 – 10 - Light Requirements: Sun - Part Shade - Soil & Water Preferences: Average - Quantity: 50 Seeds - Other: The Fragrant, Long Lasting Flowers Of The Carnation Are Absolutely Wonderful For Cut Or Dried Flower Arrangements. They Are A Favorite Of Florists Everywhere, And Now You Can Grow Your Own! Carnations Can Be Grown Anywhere From Containers To Rock Gardens, And They Attract Bees, Birds, & Butterflies. Their Large Double Blooms Are Sure To Make You Smile!