Dianthus chinensis - rainbow pink or China pink - is a species of Dianthus native to northern China, Korea, Mongolia, and southeastern Russia, and widely cultivated as an ornamental plant, both in China and across temperate regions of the world, with numerous cultivars being on the market for garden use.
It is a herbaceous perennial plant growing to 30–50 cm tall, with green to greyish green, slender, 3–5 cm long leaves, and white, pink, or red, 3–4 cm diameter flowers produced singly or in small clusters from spring to mid summer.
Sowing & planting
25 - 70
6 - 7
Identify my rainbow pink
Rainbow pink - Dianthus sinensis - is a plant of the genus Dianthus, of the Caryophyllaceae family.
Short-lived herbaceous perennial, often grown as an annual, it's the most compact of all - perfect for flowerpots!
Namely: some recent cultivars are not much fragrant...
Sow my rainbow pink
The pink rainbows are sown under cover from February. Cover them very little, because they need light to germinate.
Dibble my rainbow pink
Plant the seedling between two and four weeks after sowing (as soon as the plant is sufficiently developed to be handled). Separate carefully the seedlings and replant individually in a bucket filled with transplanting soil, or a mixture of soil and well-decomposed compost. Water copiously at the plantation, then regularly during the first weeks to keep the soil moist.
Plant my rainbow pink
About two months after sowing, and 6 weeks after transplanting, the plants have grown strong enough to be placed in the open soil.
Plant them in finely worked beds (spaded, scratched and raked), when the last spring frosts are over. Once the bed is properly prepared, make a small hole with a transplanter, remove the plant from its bucket, put it in the hole, and compact the soil to put it in contact with the roots.
Respect a spacing between the plants corresponding to one third of its intended width. Water copiously to promote rooting.
Mulch my rainbow pink
Mulch to limit evaporation in summer, with a mulch of leaves or compost.
Water my rainbow pink
Keep the soil moist - watering in fine mist - until seedling emergence, then water about once a week, allowing the soil to dry between two waterings. Summer watering is only necessary in case of hot weather, or for potted plants of course, to enhance flowering.
Propagate my rainbow pink
Rainbow pink multiply by seed, so think of harvesting seeds in summer, and sowing them under shelter from February.
Be careful, hybrids often have low fertility, so you may have to buy new seeds.
Shelter my rainbow pink
Only a few varieties of rainbow pink are hardy, in other cases bring them in for the winter, in an unheated, luminous room.
Put outside my rainbow pink
Once the temperatures rise above 5 ° C durably, put your rainbow pink outside gradually.