If you've narrowed the venue location down to two places, I assume you've gone over the usual outdoor wedding questions:
1. "Plan B" accomodations in case of bad weather.
2. Ability to put up tents for extended periods of time (most tent places need 24 hours prior and following for put-up/take down)
3. Use of electric/indirect lighting
4. Potential need/supply for space heaters depending on season and location.
5. vendor restrictions and preferences for social functions/weddings.
etc.
I did the garden wedding deal with my wife, and the only day it rained in Florida was December 22nd, and it friggin' poured from 7:15PM to about 9:00PM, right when our ceremony was supposed to happen in front of the gazebo under the stars.
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Going by looks alone, I like A, but only because you'll spend so much wasted breath telling people over and over that the thing in B is an upside-down flower that you'll get sick of it.
But if you're down to two venues, this is generally where the questions determine the site, not just the looks.
Either way, best of luck to you,
have a backup plan for potentially poor weather, and then you won't have to "look back on it and laugh" like my wife and I try to do.
