Do not load a vanilla PvZ save file into Upgraliam 1.0. The mod uses an expanded array for plant tiers. Loading a vanilla save will turn all your plants into invisible, unselectable glitches. Start a new profile.
Have you played the Upgraliam REPACK? Share your highest wave in Survival: Graliam Mode in the comments below. And remember: No, you cannot use the Spikeweed glitch. It was patched. Plants Vs Zombies Upgraliam 1.0 Mod REPACK
Happy gaming!