Because dahlias are hardy only in zone 7 and higher gardeners living in colder climates who want to keep their tubers must dig them up in the fall and this also offers a good time to divide the roots the division can be done either immediately before you store the tubers for winter or in the spring when the growth eyes are more visible.
What do you do with dahlia bulbs in the fall.
Planting dahlia bulbs is fairly easy and you ll be amazed at the showstopping blooms you ll see at the end of spring.
In colder zones you do need to dig up and store the tubers in the fall if you wish to grow them as perennials or treat as annuals.
Like many bulb plants they should be dug up in late fall and stored over winter in a temperature controlled area.
Grow dahlias for gorgeous colorful flowers that bloom from midsummer through autumn when many plants are past their best.
Native to mexico dahlias do not survive freezing winter temperatures.
Before you can remove dahlia bulbs from the ground you will need to cut down the stems.
Once they are dry they are packed away.
These beautiful daisy like flowers bloom from midsummer all the way to the end of fall or through the first frost.
In hardiness zone 7 dahlias will usually survive the winter outdoors as long if the soil is well drained and the tubers are insulated with a thick layer of mulch to avoid any risk bring the tubers indoors following the instructions for colder zones.
Follow our guide below to learn how to dig up and store dahlias for the winter.
If you garden in zones 3 6 you ll need to dig up your dahlia bulbs and store them indoors for this task you need pruning shears a shovel or.
The secret to successfully growing dahlias in cooler climates lies underground in their tubers.
Digging and storing dahlias for the winter is extremely easy and simple.
Storing dahlia tubers for winter.
Once the skin is wrinkled the tubers should be dry enough.
The flowers produce brilliant blooms in many shapes and colors depending on the variety you plant.
Cut back the stems until they re about 6 inches 15 centimeters from the ground.
But many north american gardeners grow this plant coveting its ornate blooms.
Did you know that 2019 is the year of the dahlia.
You should do this as soon as the first frost of the season has arrived.
Dahlias are sun loving flowers grown from tubers.
The tubers are planted in the ground in late spring.
Bulbs are round and consist of one.
These biennial tubers are planted in the spring and belong to the asteraceae family which include sunflowers.
Dahlia tubers are not true bulbs as they differ in appearance and growth.
However they do need to keep slightly moist on the interior to keep the embryo alive.
Dahlias are subtropical flowers native to central america.
Dahlias can last several years if you care for the tubers properly each fall.