Dahlia cactus grow and care – herbaceous geophyte of the genus Dahlia also known as Cactus dahlia, Dahlia 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 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 rounded, the flower create like cactus thorns.
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
Bloom season? Spring / Summer / Autumn
General information about the flower: Cactus shape like thrones flowers, 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 rounded
Vegetative Reproduction Method: Bulbs
Preferred time for vegetative reproduction: Spring
Time to grow roots in vegetative reproduction: 1-2 weeks
Treatment for vegetative reproduction: Same treatment as grown plant