Dahlia Raissa growing herbaceous geophyte of the genus Dahlia in group Dahlia Collarette, Dahlia Raissa is 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 the shape can be elliptic to lanceolate or deeply lobed the edge can be serrated, leaves organized in pinnate growth.
Dahlia Raissa flower
Flower color is red with yellow, flowers multi petals and organized in circles two circles and big inner yellow stamens the outer is the bigger is to ovate flat red petals with 8 petals the inner circle small and on each big petals there 1-3 small petals, petals color yellow and shapeless.
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How to grow Dahlia Raissa 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
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:
Average amount of water
Light conditions in optimal condition for growing:
Is it possible to grow indoor as houseplant?
Growing is also possible in a planter /flowerpot / containers:
Spring / Summer / Autumn
General information about the flower:
Red with yellow flowers multi petals and organized in circles two circles and big inner yellow stamens the outer is the bigger is to ovate flat red petals with 8 petals the inner circle small and on each big petals there 1-3 small petals, petals color yellow and shapeless