Power Plants: My Favorite Mechanism

About Power Plants, from BoardGameGeek:

Every wizard in the neighborhood knows that the best spell components are grown fresh. Unfortunately, only one particular plot of fertile soil in the area is the best for growing magical plants. Everyone agrees to "share" the garden, but you have a plan: Your team of loyal sprites will use the powers of the plants to infiltrate the garden as it grows, so that when everything is in full bloom, the most potent patches will belong to you! In Power Plants, you are a wizard growing a shared garden of magical plants with your rivals. Each turn, you choose one of the patch tiles from your hand and add it to the growing garden. You can activate the added tile for its dynamic "plant" power or activate all the tiles it touches for their slightly weaker (but still very cool) "grow" powers. As the fields expand, you strategically deploy your sprites to gain control of more and more of the fantastic flora. Will your magical horticulture skills pay off? Manipulate the garden's growth, gather magical gems, and deploy your team of loyal sprites to repel your competition and be in control of the most valuable fields when the garden is complete! -description from the publisher