What are some good onion varieties for Iowa?

FAQ
Question: 

What are some good onion varieties for Iowa?

Answer: 

Suggested onion varieties for home gardens in Iowa include ‘Copra’ (main season, yellow-brown skin, excellent storage), ‘Candy’ (yellow-brown skin, globe-shaped, short term storage), ‘Red Burgermaster’ (bright red, globe-shaped, good storage), ‘Red Zeppelin’ (deep red, globe-shaped, excellent storage), ‘Stuttgarter’ (flattened globes, light brown skin, excellent storage, from sets), and ‘Walla Walla Sweet’ (late season, yellow-brown skin, short-term storage). 

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