When do I plant dahlia tubers?
Plant dahlia tubers after all danger of frost has passed. When it’s safe to plant tomatoes, it’s safe to plant dahlias. If you’d like to get an earlier start, you can plant the tubers in a pot and start them indoors. That way you’ll have a sizable plant to set out when the weather warms. In Zone 8 or warmer, you may leave dahlias in the ground over winter.
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