ok i noticed 2 things i found a wild flower and picked it and got the opportunity to pick 5 so i went hunting it seems there is very spars wild flowers i couldnt find many at all. I dont know if there is a spawner in CAW but i know theres one in the edit lot you might want to throw a few down in some of the open spaces if you can.
As for the second its at the green house I cant remember the name of this issues but its the lot and sculpting not blending right i think it was clipping but you can see it just under the fountain before the sidewalk in the picture
ironically it was the wild flowers that made this catch my eye while looking for some
http://lvlt.thesims3.com/sims3_asset/sims3_asset/media/shard000//shard000/027/386/015/00/screenshot_original.jpg