Dahlia optic illusion

How to grow Dahlia optic illusion growing and care:

In cold area to take the bulb in the winter out of the ground, well drain soil,

What is the best way to start growing?
Plant / Tuber / Bulb

Is it necessary to graft or use vegetative reproduction?
Yes in order to get specific cultivar

Difficulties or problems when growing:
Rotten bulb, nitrogen cause problem with the flowers

Recommended planting season?
Spring / in cold place mid spring

Pests and diseases:
Aphids, snail, slugs

Pruning season:
Winter

How to prune:
In the end of the season in cold area to cut all the leaves and pull the bulb, in warm place just to cut the dead flowers and leaves

Size of the plant?
0.3-1.5 m, sometimes can be more

Growth speed in optimal condition:
Medium growing

Water requirement:
Average amount of water

Light conditions in optimal condition for growing:
Full sun

Is it possible to grow indoor as houseplant?
No

Growing is also possible in a planter /flowerpot / containers:
Yes

Blooming information

Bloom season?
Spring / Summer / Autumn

General information about the flower:
Fuchsia-purple flowers, flowers multi petals and petal shape ovate to elliptic with pointed top and wider base

Scientific name:

Dahlia