Cultivation

Potted Dahlia Cultivation

Dahlia Cav.

A method of growing dahlias in containers that requires the use of compact variety series and strict control of light, temperature, and nutrition to obtain a flowering plant ready for sale.

In the reference 26 varieties crop Dahlia, where this is mentioned in the description.

For potted dahlia cultivation, genetically dwarf variety series are primarily used, which are predisposed to abundant flowering within a limited root system volume. The cultivation process involves shaping a compact habit by pinching the growth point at a height of 12–16 inches and maintaining a day length of approximately 14 hours.

Climate control includes a stepped temperature regime with a gradual increase from 15–18°C to 20°C during the day, which prevents excessive shoot elongation. Due to the small volume of substrate, dahlias require intensive irrigation and the use of fertilizers with reduced nitrogen content to maintain stem strength.

The technological cycle allows for early forcing to obtain flowering specimens by a specific deadline. If long-term storage of potted plants is necessary, maintaining a temperature of +2 to +5°C in a dry substrate is required, which ensures the preservation of root tubers in conditions of limited space.

General information about the subject — on the page Pot culture.

Sources8

Varieties of Dahlia mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.