Backyard weddings and garden weddings share the similarity of being outdoor events. But beyond that, you may find that they can be pretty different.
Since backyard weddings happen in your space, you have total control. If you do not own the garden, you cannot stop people from being around during the ceremony.
Level of Intimacy
If you opt for a backyard wedding, you will not pay for the space. But if you opt for a garden wedding, you will pay for the venue.
Cost
Garden wedding venues typically have backups for such situations. So, if you have a garden wedding, you can avoid a disaster.
When It Rains
In both cases, everyone is outdoors where there is no cooling system. So, when the sun shines, the heat gets to them.
Exposure to the Sun's Heat