Dahlia Semi cactus growing herbaceous geophyte of the genus Dahlia also known as Semi cactus dahlia, Dahlia Semi cactus 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 Semi cactus flower
Flower color can be: orange, peach, pink, purple, red, yellow or white, multi petals, can be in verity of shapes narrow and the edge of the petals can be rounded and create cylindrical like cone all together looks likes big soft spines, the flower create like cactus spines.
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Requirements for Dahlia Semi cactus 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 as houseplant?
Growing is also possible in a planter /flowerpot / containers:
Spring / Summer / Autumn
General information about the flower:
Flower create like cactus spines shape, color can be: orange, peach, pink, purple, red, yellow or white, multi petals, can be in verity of shapes narrow and the edge of the petals can be rounded and create cylindrical like cone all together looks likes big soft spines
Vegetative Reproduction Method:
Preferred time for vegetative reproduction:
Time to grow roots in vegetative reproduction:
Treatment for vegetative reproduction:
Same treatment as grown plant