The disadvantage of F1 hybrids is that they while they may be strong in one aspect, they can be vulnerable in another. They are also usually sterile, meaning that they will not produce seed. You’ll have to purchase seed every year if you want to keep growing that variety. Even if the variety is not sterile and does produce seed, the seed will be unstable—it won’t necessarily produce plants with the same traits as the parent. F1 hybrids are more expensive than other varieties because of the additional costs associated with controlling pollination of the parent plants, and because they are sometimes trademarked/patented by the breeder, so the retailer must pay a royalty to sell the plant under the registered trademark name. - See more at: http://www.hortmag.com/plants/fruits-veggies/f1-hybrids#sthash.A2LbKo5w.dpuf