Hybrid plants are physically uniform.
This is advantageous for farmers who harvest with machines, but it s usually not a big deal for small-greenhouse gardeners. Hybrids often show greater vigor and faster growth. Hybrids cost up to five times more because they take longer to develop and are more trouble to produce. They often require a more exacting horticulture. When things aren t optimum, they may suffer more than plants grown from nonhybrid, open-pollinated seeds.