How do I grow Dahlia tubers?

hlízy Dahlia jsou zvětšeny, masité stonky rostliny Dahlia, které rostou pod zemí a vylíhnou oči, které mohou růst v nové rostliny Dahlia. Gardeners can grow the Dahlia tubers by cutting a cluster of tubers so that every new tuber contains an eye that grows turn. After the last frost, the Dahlia tubers can be set in the spring by digging a 6 -inch hole (15 cm) wide and 6 inches deep. Plants should be less than 18 to 24 inches apart (30 to 45 cm). Dahlia tubers must be planted on their side with the eye upwards and should not be connected after planting until the new plant is about 12 inches (30 cm) above the ground.

The gardeners should grow irritant tubers in a well -drained, humid, damp soil that has been stored with humus and balanced horror before growing. While the Dahlia tubers must be regularly connected, the soil that is maintained too wet can cause disease and rot. The soil should be slightly acidic, with a pH level of approximately 6.5. Herbicides should never be usedAt the soil where Dahlia plants grow because they kill the plant.

Dahlia tubers grow best in a partial shadow in full sun, preferably in an area that receives the sun and shade in the afternoon in the morning. Like many other plants, strong sunlight will help Dahlia the most flower. Stiedering the site adds Dahlia plants that are higher, regent and produce fewer flowers.

pests can be a problem for Dahlia plants, especially aphids, spiders mites and three. The snail and slugs should be bait two weeks after planting, as they may start attacking Dahlia tubers soon after they hatch. Because Dahlia plants can grow quite high, they should be set or supported by plant cages to stand straight.

Dahlias are originally from Mexico, so they are not resistant to frost temperatures. Tubers should be dug and stored inside Zimyer first frost but before the firstI am hard freezing. The Dahlia leaves and stems should be limited and the tuber is left in the ground for another week or two. The Dahlia tuber should be dug, left to dry for about a day and stored inside the refrigerator until spring. When the temperature is heated, the Dahlia crowns can be divided into tubers that develop into new plants, provided that each Dahlia tuber has an eye.