Can you still plant dahlias in September?
Do you know these? Can dahlias still be planted in September and the experience of green plant maintenance in terms of cultivation management techniques for dahlias? Let's learn about them together below.
Dahlias have large, beautiful shapes, bright colors, and long blooming periods. Potted dahlias are used for decorating living rooms, balconies, windowsills, etc., or planted in garden flower beds, in front of windows, etc., for display. In gardens, they are often used for flower beds, roadsides, or flower borders, and can also be used as cut flowers. They are ideal materials for making flower baskets, wreaths, and bouquets; the roots are used in medicine and have the effects of clearing heat, detoxifying, and reducing swelling.
Dahlias are plants that thrive on fertilizer. The key to growing dahlias in the ground is proper fertilization. If the fertilizer is insufficient, the plant will not only have sparse growth of branches and leaves, but will also find it difficult to bloom.
After the flower buds appear, apply 1-2 times of 0.2% potassium dihydrogen phosphate or 0.5% calcium superphosphate solution, which can enhance the brightness of the flower colors. Stop fertilizing during the high-temperature season and resume fertilizing every half month once the weather cools down, until mid-September.
For cultivating medium and small dahlias, only remove the side buds from the lower part of the stem to make them bloom continuously. If you want to cultivate large single flowers, only keep the terminal bud and remove all other side buds.
The common problems with dahlias are powdery mildew, gray mold, bacterial wilt, viral diseases, and pests like the corn borer. It is necessary to spray pesticides regularly for treatment. To avoid damaging the tuberous roots, set up a支柱 in a pit about 15 cm deep before the dahlias take root. Place the bulb flat at the bottom of the pit with the bud close to the支柱.
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