How can I get more purple diamonds to complete construction?

Besides clearing new plots of rocks and dead trees, the next best way to earn diamonds is to find 6 players to exchange regular bushes daily. Earn as many as 98 diamonds per week. Diamonds are also available for real money purchase. They are the most precious commodity in the game and should be spent wisely.

Flowers can be earned in several ways: buying decoration, upgrading buildings, renovating landmarks, and sending Jack's plane on a flower delivery. Replay scenes to earn coins to buy decoration of higher flower value to get further in the game.