Sunflower

The Sunflower is the first sun-producer that you acquire. In the music video at the end of the game (which doubled as pre-release promotional material), Zombies on Your Lawn, the lead singer (voiced by Laura Shigihara) is a Sunflower.

The Sunflower is based on the Helianthus annuus.

=Usage= The Sunflower is the primary sun-producer throughout the entire game, although sometimes replaced with the Sun-shroom for nighttime levels, and often upgraded to the Twin Sunflower in later levels. It produces one normal amount of sun, worth 25 sun, approximately every 24.3 seconds.

=Strategy= Since sun is the form of energy required to grow your defense, producing more sun means you'll be able to grow a much larger force. With that in mind, you typically want to have at least one full column of Sunflowers (5 or 6 of them, depending on which area you are playing in), and usually two columns is preferred.

As Sunflowers do not ever cause any damage, they must be protected. Putting them in the back row (the leftmost, closest to your house) is good practice.