Completing Plants on your Zen Garden

Zen Garden
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Zen Garden is a virtual garden where the players keep plants that they have collected, bought from Crazy Dave shop or obtained from presents (Randomly dropped in game). They are the same plants the player uses in the game.
Zen Garden is unlocked by completing the Adventure Mode level 5-4.

All Zen Garden plants have to be watered, fertilized and either bug sprayed or played music to periodically, but nothing negative will happen if the player ignores their needs. After they fully grown, they will begin dropping coins every 30-60 seconds. At midnight (on real time), they will again require water and bug spray or music. Playing Zen Garden is a good way to get money fast.

How to Get Plants on your Zen Garden
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1. You can buy the plants from Crazy Dave Shop, but he will only sells you cheap marigolds. He sells 3 plants per real day calendar for $2,5 each.
2. By playing adventure mode, puzzle, mini games, or survival mode, the plant will be randomly dropped
3. Playing survival endless has the highest chance of dropping plants. You just need to keep playing or try to get certain numbers of streaks in it, as all plants can be obtained in it and it is the level with the greatest number of zombies
4. To get a plant that you want, you must use it as you can. Try every plant your lawn has two rows of. By doing this while playing the game, or when the game ends, you'll receive a small pot. (I haven't proof this method yet)


Where You can Get Plants:
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Area 1 (lawn): pea shooter, sunflower, cherry bomb, wall nut, potato mine, snow pea, chomper, repeater
Area 2 (night): puff-shroom, sun-shroom, fume-shroom, grave buster, hypno-shroom, scaredy shroom, ice-shroom and doom-shroom
Area 3 (pool): lily pad, squash, threepeater, tangle kelp, jalapeno, spikeweed, torchwood, and tall-nut
Area 4 (night pool with fog): sea-shroom, plantern, cactus, blover, split-pea, starfruit, pumpkin, magnet-shroom
Area 5 (roof): cabbage-pult, kernel-pult, coffee bean, garlic, umbrella leaf, melon-pult

NOTE: Dropped Zen Garden plants will NOT contain normal Marigolds, any of the upgrade plants, or a Flower Pot. (You can get it through Hack though)
NOTE: In Survival Endless, you can get all kind of plants.