Spread a 2-inch layer of compost and a 1-inch layer of well-rotted manure on the surface of the soil. Dianthus flowers consist of five petals, with a … The Rockin dianthus is upright and will reach 18-24 inches tall with a 12-inch spread. Wait until the last local frost date has passed before hardening off the plants and planting out. Pinks also grow in partial shade, but ideally need to receive about 6 hours of sun every day. Before planting work the soil over so that it is loose and well draining. AKC does dogs for less than $100. How Long Do Dianthus Take to Flower from Seed?. There are approximately 300 species of dianthus to choose from, in biennial, annual and perennial varieties. Native to Austria and Croatia, this dianthus has become naturalised in Britain on well-drained chalk soils. They have colorful blooms in numerous shades of pink, white, red and purple. RHS H7, USDA 3a-9b. I paid up on the last enrollment April . Dianthus sounds like the plant for me to start with. Dianthus flowers thrive on rich, fast draining, alkaline soil, with a pH balance around the 6.75 level. Although the stems are relatively short, it can spread to 50cm. The pink, red, and sweet Williams do well as border plants for the garden, or by the side of pathways in the garden. 20cm. Dianthus does best in full sun positions. Is there a genetic plant profile where you can get a positive I.D. Dianthus Plants Cultivate Dianthus plants and fill your garden with beautiful summer colour and fragrance. Improve the soil. On an unknown plant. One of the parent plants of many hybrids. The area should have rich, moist soil that is well-drained. Choose a spot for dianthus that gets at least 4 to 5 hours of sun per day. Dianthus features linear, narrow foliage, with a green-blue hue that appears opposite each other on the plant’s slender stems. Also known as sweet William or pinks, the varieties in our range also make gorgeous cut flowers, either on their own or mixed with other flowers to fill your home with floral delight. Dianthus like a slightly alkaline soil, so don’t use peat moss to improve it. Dianthus is a genus of about 300 species of mostly low-growing plants, including annuals, biennials and perennials, that are … I have 14 acres of rock but am determined to make it work. You may need to improve the soil by adding 2 inches of compost and one inch of manure. The blooms open in spring and will last until frost, if provided with the right growing conditions and care. Love your individual plant profiles, would never have thought of dianthus.