Dahlia Roi du midi growing 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.
Dahlia Roi du midi for sale – Seeds or Plants to Buy
Requirements for 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 as houseplant?
No
Growing is also possible in a planter, flowerpot or containers:
Yes
Blooming information
Bloom season?
Spring / Summer / Autumn
General information about the flower:
Yellow flowers with multi petals, petal shape is oval narrow in the top like needle.
Scientific name:
Dahlia