The best thing about dianthus is that you can find tons of them at your local nursery. Each variety is similar, but different enough that you have a choice. The way you incorporate this easy-going plant into your landscape informs the type you choose.
These plants are not native to North America, but they are beautiful and provide pollen for insects that stop at your dianthus flowers and your pepper flowers. With over 300 varieties to choose from, chances are there is one you will love.
In this article we will discuss how to care for dianthus. We will identify some of the more than 300 varieties, talk about the care of dianthus and touch on the problems that Dianthus gardeners may experience. Once you are done reading this, you are fully equipped to add a pinch of dianthus to your garden.
All About Dianthus Plants
Dianthus (Dianthus spp.) are a genus of herbaceous flowering perennials, although some are annuals or biennials. Some develop woody stems and a shrubby growth habit. They were mentioned by the Greek philosopher Theophrastus in the 300s BC. The plant is native to Europe and Asia, with some species native to Africa.
All varieties of dianthus have simple and green opposite leaves. Plants grow 10 inches tall to 36 inches tall and 1 to 2 feet wide, depending on the variety. The sometimes double flowers have five petals and are presented in the form of tables of colors and smells. Common varieties have pink corrugated fuschia petals that bloom from early spring to after autumn. All self seed or return annually. Their long roots remain in the ground during severe winters.
Dianthus flowers are hardy as they grow on the plant. They are popular in flower arrangements. They are perfect in a perennial garden, next to annual vegetables, and also in cottage gardens. They also have a history of use in Chinese, Japanese and Korean medicine for the treatment of ailments of the mouth and gums, as well as gastrointestinal ailments.
Choose a large container with well-drained soil or a place in full sun for planting dianthus. Dianthus are excellent cottage-like plants and also do well in a pruning garden or in rockeries. If you are working with grafts, dig a hole a little wider than the nursery pot and just as deep. Plant your perennial dianthus or Sweet William so that the crown is in line with the ground level. Then cover them with fresh soil and water.
To plant dianthus seeds, find an area in full sun with well-drained soil and wait for the last spring frost to pass. Alternatively, plant 12 weeks before the first frost of autumn. Sow the seeds evenly on the surface of the soil and lightly cover with fine soil. Give them Water. In a week they germinate. When the seedlings have 2 to 3 leaves, thin them 8 to 12 centimeters apart.
Care for Dianthus
Once you have planted your dianthus among other cottage-like plants or in planters, you should take good care of it. Let’s discuss the basic needs for mass plantings and perennials.
Sun and temperature
Full sun is ideal for most species. They can tolerate partial shade as long as they get at least six hours of light a day. Too much shade can make the flowers less vibrant. Members of the genus dianthus are hardy in zones 3 through 9. Most dormant at temperatures above 85 degrees, but some of these flowering plants continue to produce in warm weather.
Water and humidity
Water at the base of your dianthus to keep the foliage dry. This will prevent the formation of mold on the beautifulsapphire-green foliage. Dianthus does not like wet feet, so remove stagnant water around them. Water in the morning or at dusk with soaking hoses, drip irrigation or a watering can. Water your dianthus at least 1 inch per week. I’ve found that my established, well-mulched plants can water less than that. In periods of heavy rains, it is not necessary to add more water.
When it comes to dianthus, where to plant is an important question. A well-drained soil is essential for the cultivation of dianthus. They prefer rich soils or those with a lot of processed compost. 2 to 4 inches of compost worked through the top foot of your beds before planting is perfect, with regular reapplications around the top of the plant in early spring before new growth begins. Sandy soil is best for your dianthus plant, as long as it contains enough nutrients. They prefer acidic soils to alkaline ones, with a pH of 5.5 to 5.8.
You may be wondering how deadhead dianthus. Pinch the worn flowers just above the top set of leaves. This will prevent the plant from forming seeds and can also stimulate a new growth spurt and extend the flowering period of your plants. After the first flowering period is over (usually in early summer), use a few clean garden shears or pink shears to prune the plant. Remove up to half the height of the plant. This tells your dianthus plants to grow more and encourages a new set of flower buds.
Distribution of Dianthus
Propagation by cuttings ensures that the new plant has the same properties as its mother plant. Take cuttings in June or July after watering the day before. Propagate in cloudy weather to reduce surprises to the mother plant.
One of the most common growth problems is the rapid and unexplained passed away of young plants. This is usually caused by a lack of moisture. Some dianthus plants need higher humidity to develop properly. To fix this, regularly check the condition of the plant and spray it with a spray bottle. Keep the spray bottle far enough away so that the tender seedling does not bend with the force of the spray, and so the spray will settle a little like a fog.
When it comes to these plants, roses quickly self seed. The dead head of your perennial Roses becomes aggressive as soon as the small flowers wither the seed production phase stops. If nothing is done, Dianthus perennials spread seeds everywhere, and you will find volunteers scattered throughout your garden.
Fusarium wilt and verticillium wilt are fungal infections in the soil. Unfortunately, plants affected by these virus must be removed and damaged to eliminate the spread of infection. Avoid planting more plants in these places until the soil fungus is dead. Instead, Plant fragrant flowers that are resistant to these wilts.
Bacterial wilting caused by pseudomonas is also not recoverable. After removing plants affected by wilting, sterilize your tools by using rubbing alcohol or bleach to clean them thoroughly. These plants must also be damaged.