How to Plant Dahlias
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Dahlia, also known as Mexican daisy, is a perennial herb in the Asteraceae family. The best time to plant dahlias is in autumn, choosing a flower pot with good drainage and ventilation and a loose, fertile sandy soil. After pruning the branches and roots, plant them and place the seedlings in a cool, well-ventilated area with scattered light for maintenance, keeping the soil moist.
1. Planting Time
The best time to plant dahlias is in autumn, preferably around mid-October. Dahlias prefer shady, cool climates, and as the sun weakens and the weather cools in autumn, it is very suitable for the growth of dahlias. Planting at this time ensures a high survival rate and is beneficial for the recovery of the fragile seedlings after planting.
2. Potting Soil Preparation
When potting dahlias, choose a clay, earthenware, or terracotta pot with good drainage and ventilation. Use a fertile sandy soil rich in humus, well-drained, loose, and fertile. You can mix leaf mold, garden soil, river sand, and base fertilizer to create a growing medium. Place the soil in the sun for 1 to 2 days to disinfect and kill germs before potting. Cover the bottom of the pot with broken bricks to facilitate drainage.
3. Pruning Leaves
Before planting dahlias, it is necessary to prune the leaves, removing dead, rotting, diseased, and dense branches to reduce the plant's nutrient consumption, promoting rapid recovery after planting. After pruning, apply carbendazim to the wounds to prevent infection.
4. Pruning Roots
After digging the dahlia seedlings from the original soil, rinse the roots with water and then prune them, removing rotting, withered, and dense roots. After pruning, apply carbendazim to the wounds and let them dry in a well-ventilated area until the wounds contract.
5. Planting
After the root wounds have contracted, you can soak the roots in a rooting hormone solution for 15 minutes to promote root growth, or plant them directly without soaking. Place the seedlings in the center of the pot and fill the soil layer by layer until 3 to 5 centimeters from the edge of the pot. Water the seedlings after planting.
6. Maintenance Management
After planting, place the seedlings in a cool, well-ventilated area with scattered light. Water when the topsoil is slightly dry and white, until the water渗透s from the bottom of the soil. Keep the soil moist but avoid overwatering to prevent root rot. Once the seedlings have recovered, maintain them as usual.
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