- Hairy Vetch
- Hale's Best 45 Melon
- Half Long Guernsey Parsnip
- Haricot Rouge Du Burkina Faso Cowpea
- Harlequin - Marigold, French
- Harlow's Homestead Okra
- Harris Model
- Hawaiian Pineapple
- Hazelfield Farm
- Hazelwood Blues - Morning Glory
- He Shi Ko Bunching Onion
- Healy's Pride Melon
- Hearts of Gold Melon (Hoodoo)
- Hedgehog Gourd Melon
- Helios
- Henderson's - Charleston Wakefield Cabbage
- Henderson's Black Seed Lettuce
- Henderson's Black Valentine Pole Bean
- Henderson's Bush Lima Bean
- Henderson's Pink Ponderosa Tomato
- Henderson's Winsall"
- Hendersons Crimson Cushion
- Henry Eckford Sweet Pea
- Henry Wilde - Sunflower
- Hidatsa #1 Sunflower
- Hill Country Heirloom Red Okra
- Hillbilly or Flame
- Hindu
- Historic Florist Mixed - Pansy
- Hollow Crown Parsnip
- Holstein Cowpea
- Homestead Tomato
- Honey Boat Delicata
- Honey Drip
- Honey Rock Melon
- Honeydew Orangeflesh Melon
- Honeydew Tam Dew Melon
- Hopi Black Dye - Sunflower
- Hopi Cushaw
- Hopi Pale Grey
- Hopi Tobacco
- Hopi Yellow Watermelon
- Horace Boyette Burpless Cucumber
- Howden
- Hssiao His Hung Shih
- Hubbard True Green Improved Squash
- Hubei Amaranth
- Huge Lemon Oxheart








































