Can you bring citrus trees into quarantined states?
I'm trying to buy a Washington Navel Orange Tree in Arizona. When I search online these are priced between $30 and $67 but the online sellers state that they can't ship to AZ because of agriculture regulations. When I visit the nursery they have them for sale at a minimum of $500 which seems to be a bit pricey.
Does anybody know what the regulations are that prevent citrus being shipped to AZ?
(I feel that with a better understanding of the restrictions I'll be able to make more informed decisions.)