Dianthus can be propagated from seed, division or grown from stem cuttings. Dianthus barbatus is a biennial member of the Dianthus genus and usually goes by the name of Sweet William. Despite being a biennial or even a short-lived perennial … If you do take cuttings while the plant is flowering it will reduce the success rate. Check your local listings for the frost dates. Propagating Dianthus From Cuttings. Growing Dianthus from cuttings is also an option. eHow.com. It can take between four and six weeks for cuttings to root. Cuttings. It is best to propagate from cuttings in early spring, however it can be done throughout the growing season. Be sure to remove any of the flowers from the cuttings to help increase your chances. But all rooting compounds are good, it makes no difference whether you use a powder, a liquid or a gel. Propagation works best in spring or summer when plant cells are dividing quickly, so rooting happens more easily. Plant dianthus in full sun for best blooms from nursery transplants, divisions or cuttings. Cuttings can be taken any time from March to September. 2020-06-22 eHow.com. The poetry of the name fits the pleasant aroma and bright range of possible colors. Dianthus plants are easy to propagate from stem cuttings, and this is an inexpensive way to replace older plants that are coming to the end of their lifespan. The dianthus plant is commonly called Sweet William. Take several cuttings from healthy fresh stems that have not yet flowered. You can ensure that the young plants will be right to your parent plant’s characteristics, unlike seeds. 2020-06-22 10 Plant Cuttings You Can Root & Grow in Water. The plants prefer slightly rich, reasonably moist soil that is well-draining and alkaline. Deadheading and some cutting back after the first bloom help to ensure a second bloom later in summer or early in the fall. They bloom best when given plenty of sun, but they don't like the high heat of mid-summer. Choose non-flowering shoots and cut them off just above a node at about 6cm long. PREV 1 of 11 START Filling your home with lush, green plants is an effective way to make it more beautiful and give it a peaceful, relaxing feeling. Cover with a plastic bag and leave them on a sunny windowsill. To plant your Dianthus from seed, start the germination process indoors at least 2 to 3-weeks before the last frosts falling in your area. Remove the lower leaves and push the cuttings into a pot of pre-watered cutting compost. However, make sure that the parent plant you’ll use is healthy so that it won’t get stressed after you take cuttings. How to Grow Dianthus barbatus Plants in your Garden Gardener's HQ Guide to Growing Sweet William. Full-grown plants reach 12 inches (30 cm) or more in height, depending on variety. Sweet William is easy to grow and maintain, but may need to be replanted after one or two years, since they rarely survive longer. How to Grow Perennial Dianthus Flowers . Propagating dianthus from either cuttings or divisions is a sure way to create clones of your favorite plants. The plants prefer slightly rich, reasonably moist soil that is well-draining and alkaline. Most dianthus flowers are easy to grow and can thrive in a range of conditions. Once they have 2 or 3 leaves, thin to 8" to 12" inches apart. For direct sowing outdoors, plant seeds 1/8 inch deep once all danger of frost has passed. Demonstrating how to use layering, piping and basal cutting techniques, Carol Klein shows us how to propagate dianthus/pinks so they fill can our garden with colour. Once you take the slips off your Dianthus, remove all the leaves from about 1/2″ to 1″ of the bottom of the cutting, dip the cuttings in a rooting compound like Dip n Grow. 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