Farmville Morning Glory is the newest seed (Flower) that you can plant in Farmville today. Its seed cost 60 coins and can be harvested for 123 coins in 12 hours, it gives 1 xp. So your profit will be 63 coinsincluding the cost in plowing.

I hope Farmville will release new seeds that requires a high level than of asparagus requires (Level 37).