Belonging to the Dahlia genus, Dahlia has a botanical name of Dahlia variabilis. The botanical name epithet variabilis means 'variable'.
Grown as an annual higher then zone 8, or they may be dug and saved overwinter.1 Dahlias come in many colors and sizes.Blooms appear in these approximate colours: Light goldenrod yellow. The mature flowers are of a single form. Leaves appear approximately as a Dartmouth green colour. It is a flower / ornamental that typically grows as a perennial, which is defined as a plant that matures and completes its lifecycle over the course of three years or more. Normally growing to a mature height of 30.0 cm (11.7 inches), Dahlia grows with a erect habit.
Mexico is believed to be where Dahlia originates from.
Being a fairly low maintenance plant, Dahlia is normally quite easy to grow provided a minimum level of care is given throughout the year. It will be helpful to note the correct soil, sun and water needs of this plant to ensure that this plant thrives.
This plant info is provided by the myfolia gardener's wiki. All details about Dahlia have been kindly provided by our members.
Prefers rich soil.
Even though dahlias prefer warm climate they will die to the ground and the roots can be lifted from the ground and stored in cool, yet frost frost free conditions during the winter. Another way is to plant the tubers quite deep which also provides protection from frost. Some dahlia cultivars need staking for support. All garden dahlias need deadheading regularly.3Try to plant in a location that enjoys full sun and remember to water moderately. The USDA Zones typically associated with Dahlia are Zone 8 and Zone 11. Planting Dahlia in loamy soil with a ph of between 6.0 and 6.5 is ideal for as it does best in weakly acidic soil. Keep in mind when planting that Dahlia is thought of as tender, so remember to ensure that temperatures are mild before moving outdoors.
By our calculations*, you should look at sowing Dahlia about 49 days before your last frost date .
After a killing frost the roots may be carefully dug and stored through the winter.
These plants have been known to grow well alongside Dahlia so consider planting:
These plants will not grow well with Dahlia so avoid planting these within close proximity:
These problems, diseases and pests are known to affect Dahlia plants:
Slugs and snails are serious pests when new growth starts in spring. Earwigs can also disfigure the blooms. Affids are another pest that will attack dahlias, these will feed on the tender new growth and young buds. Capsid bugs are responsible for contortion and holes at growing tips.3
The botanical epithet is from the Latin variabilis meaning “variable”.
Dahlia is from Dahl, a Swedish botanist.2
After being named Dahlia it was discovered there was another plant by that name and so the name “georgina” was sometimes used.2
21 Apr 2012
18 Feb 2012
Dahlias are growing pretty good. I have started 18 more seeds and they all sprouted.
Dahlia care instructions
How long does Dahlia take to grow?
Our when to plant Dahlia estimates are relative to your last frost date. Enter your frost dates and we'll calculate your sowing and planting dates for you!
2 A History of the Vegetable Kingdom By William Rhind?
fn3: Wikipedia The Free Encyclopedia