Dahlias are among the fastest growing flowers. The seeds will begin to sprout within 7-21 days. After growing inside for 6-8 weeks, these hardy flowers will be ready to plant outside.
About the Author
Susan Steele has been an avid writer for more than 25 years. Steele's articles covering gardening and other topics have been published on a variety of well-known websites, such as eHow, Garden Guides and Answerbag. She graduated from Ashland Community and Technical College with a degree in data-entry operation.