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If you have ever been to a state fair, you have probably seen a pavilion filled with exotic and amazing dahlia blossoms. These hugely varietal flowers are a collector’s dream, with little starburst blooms to plate-sized flowers in every hue imaginable. Dahlias are relatively sturdy plants if grown in the right lighting, heat, and soil. Care of dahlia flowers may vary dependent upon your zone, but here are a few dahlia growing tips to help you get maximum blooms and healthy, bushy plants.How to Grow a Dahlia PlantSelect healthy tubers of a variety that does well in your zone. The outside of the tuber should be firm with no mold or rotten spots. Prepare the garden bed. These plants prefer well-drained, acidic loam but will grow relatively well in any soil as long as it isn’t soggy. Dig down 8 to 12 inches (20.5 to 30.5 cm.) and add compost to increase the porosity and nutrient density since dahlias are big feeders. A good dahlia growing tip is to take this time to incorporate 2 pounds per 100 square feet (1 kg. per 9.5 sq. m.) of a 5-10-15 fertilizer. Small plants can be spaced 12 inches (30.5 cm.) apart, but the big dahlias need to be planted 3 feet (1 m.) apart to accommodate the large bushes. Lay the tuber sprout-side up 3 inches (7.5 cm.) deep in a trench and cover it over with the prepared soil.