Yes you want it to be distinguished from a Christmas arrangement. These would be great!
Yes you want it to be distinguished from a Christmas arrangement. [These](https://cdn.shopify.com/s/files/1/0557/0657/products/Pyracantha-Orange-Glow-Berries.jpg) would be great!
These would look neat too and have a nice tie-in with the antlers since deer eat the berries.
[These](https://www.plant-world-seeds.com/images/seed_images/CALLICARPA__BODINIERI_WHITE_BEAUTY/size3_500x500/04%20WHITE%20BEAUTYBERRY%20CROP.JPG) would look neat too and have a nice tie-in with the antlers since deer eat the berries.
Pyracantha berries still attached to the branches. That'll keep hands out of the arrangement too. Holly berries tend to be associated with Christmas. Some white beautyberry bunches would look neat too.