How do you get 3 different flowers from Snoopy's fair?

You can get 3 flowers by getting a garden. A garden costs $45,000. Once you get a flower garden, click on it. A chose of flowers comes up. Pick a flower and wait a certain amount of time. Go to it soon after its time is done so it won't wither. Collect from the garden and a flower will come out.Click on the flower and you can put it anywhere in your fair. Make sure to plant 3 different flowers that haven't withered so the quest can be completed.