Dahlia Roi du midi - How to grow & care

Grow Plants / Growing instruction / Dahlia Roi du midi

Dahlia Roi du midi grow and care – herbaceous geophyte of the genus Dahlia in group Dahlia cactus, Dahlia Roi du midi perennial deciduous plant that used as ornamental plant and also as cut flower, can grow in subtropics, mediterranean, desert, temperate, tropics climate and grow in hardiness zone of 8-11, if the tubers take outside of the soil it can grow in the winter in hardiness zone of 2-7 and 12+.

Leaves color green shape can be elliptic to lanceolate or deeply lobed the edge can be serrated, leaves organized in pinnate growth.

Dahlia Roi du midi flower

Flower color is yellow with multi petals, petal shape is oval narrow in the top like needle.

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How to grow Dahlia Roi du midi 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

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 or containers:
Yes