According to my research, a plague has swept this era.
This article is about something that is no longer available. Therefore, it is archived.
Margin of error: 0.016%.
This article is about content that has been removed in later updates. Therefore, it no longer exists in the game.
I need my TIME MACHINE!
Upgrade sun is a conjectural name for this article.
If you know the official name or have a better name or translation for it, please contact a wiki administrator to change it.
They can be tough nuts to crack.
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Upgrade sun was a currency in Plants vs. Zombies Online. It was obtained after either completing levels, or through daily rewards. Its purpose was to upgrade plants in the Greenhouse. However, it was removed in an update, and the player now must complete quests to upgrade the plants.
The player could only have 1,000 upgrade sun at a time.