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Dahlia Info & News
Blog Posts
on Dahlias
Dahlia Basics
Dahlias love lots of sunshine (at least 6-8 hours/day of full sun) and produce non-stop blooms late summer until frost. They do best planted when the soil is around 60 degrees, which in Minnesota is typically late May. Dahlias like a bit of room, about 18-24" between plants. If they are in a bed with shorter plants, they may be a bit closer together as long as they get good airflow and plenty of sunshine. Dalias come in many sizes, shapes, heights, and colors. They are an amazing flower.
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My Tubers
Most of my dahlia tubers were purchased from small flower growers in 2023 & 2024. I have learned that dahlia tubers from overseas tend to have more disease issues, so I now only purchase tubers from reputable farms in the US and Canada. I am careful to only keep tubers from plants that are very healthy. If I have any doubts, I toss the plant. I cannot guarantee my tubers will produce perfect plants. Several tubers I purchased from excellent flower farmers in 2023 did not thrive. This is common and expected that a small percent will not do well for any number of reasons.​
Fall Dahlia Care
Dahlias cannot be left in the ground in most of the U.S. as the tubers will rot if exposed to freezing weather. You may either treat them as an annual and dig out the entire plant and throw it away, or you can dig up the dahlia tubers and store them over the winter.
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I have an updated pdf on Dahlia Fall Digging & Storing available with the link below.