Those are beautiful appliqued blocks! Wow. Such variety and careful placement.
I can see what you mean about how it looks like possibly two different projects. One has autumn colors and motifs, the other is more spring-like. But since they all have the green leaves in common, they could certainly play well in the same quilt. Although at 10" each, that's a huge one! I would probably make two smaller ones and sash them with burgundy, forest green, or that sienna. Or if those are too busy for you, try the darker neutral that's in the background fabric. Your grandmother would probably like to audition some colors with you.
Or, if you and she would want to give part of your grandmother's handiwork to family members, perhaps make wall hangings. Depending on how many people you would make a gift for, it could be a single block or 2,3, or 4 patch. (Have her sign some labels ASAP so you'll have them in case anything happens to her.)
If you're a novice, the on-point setting could be a challenge. Not saying avoid a challenge, but since you have a 2 year old, probably you have enough challenges as it is!
