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Best Methods for Soil Preparation
Dahlias need warm, well-drained soil. Your dahlias will do best when planted in your existing soil if it has not been treated with Preen, Casoron, or other herbicides. If you have a heavier soil…
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Dahlia Pest & Disease Management
A thorough spraying program is the best method to prevent the spread of disease and viruses, as vectors (aphids, thrips, and other insects) are one of the…
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Caring for Dahlias in Fall/Winter
Dahlias may be left in the ground over the winter; however, dahlias are susceptible to rot and/ or freeze. Dahlias are not hardy since they are a tuber (thin-skinned) and not a bulb…
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How to Start Your Dahlias Indoors
Start your dahlias no more than 6 weeks before transplanting them outside. Starting your dahlias more than 6 weeks ahead of transplanting will cause…
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How to Grow Dahlias in Containers
In general, dahlias do not do as well in pots or containers as they do directly in the ground. If you choose to grow your dahlias in pots or containers, we recommend…
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How to Grow Dahlias From Seed
Dahlia seed can be harvested in the fall after old blooms dry up and seeds are created inside the old blooms. It is best to leave blooms…
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How to Best Enjoy Your Dahlias: Bloom Times, Cutting Tips & More
Most dahlias will be blooming, on average, 90 days after planting. The earliest blooming dahlias will be most of the Low Growing Dwarf dahlias…
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Meet the Family
Swan Island Dahlias has been family-owned and operated by the Gitts since 1963. Learn more about each member…
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The Dahlia Festival is Coming! August 1, 2024!
August 1, 2024 Annual Dahlia Festival Fields open August 1st Open Tuesday through Sunday 9:00 am – 5:30 pm Closed Monday & Tuesday in August and September More Festival Details Here
