List of Varieties by Denomination
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| Denomination | Crop Kind |
|---|---|
| Okana | Apple |
| Olivin | Pea |
| Olsentwo Gala | Apple |
| Olympia | Pelargonium |
| Omaha | Chrysanthemum |
| Omaha | Strawberry |
| Omega | Potato |
| One in a Melon | Coneflower |
| Onebor | Strawberry |
| Opal | Potato |
| Opalescence | Phlox |
| Opening Act Blush | Phlox |
| Opening Act Pink-a-Dot | Phlox |
| Opening Act Ultrapink | Phlox |
| Opening Act White | Phlox |
| Opera | Potato |
| Opera | Strawberry |
| Operino | Tomato |
| OPSTAL50 | Leucothoe |
| Optima | Soybean |
| Optimum | Oat |
| OQ101 | Corn |
| OQ201 | Corn |
| OQ414 | Corn |
| OQ603 | Corn |
| Orange Blaze | Kniphofia |
| Orange Blush | Chrysanthemum |
| Orange Davis | Chrysanthemum |
| Orange Field | Bistort |
| Orange Pomona | Chrysanthemum |
| Orange Smoothie | Daylily |
| Orange Torch | Japanese Barberry |
| Orange Xenox | Sedum |
| Orange Yochatham | Chrysanthemum |
| Orange Yodanville | Chrysanthemum |
| Orange Yoroanoke | Chrysanthemum |
| Orange You Awesome | Coneflower |
| Orangoutang | Apple |
| Orapin | Pelargonium |
| Orb | Pea |
| Orbit | Pepper |
| Orchestra | Potato |
| Orchid Frost | Lamium |
| ORe BOOST | Oat |
| ORe Level48 | Oat |
| ORe Level50 | Oat |
| Ore Ruminator | Oat |
| ORe3541M | Oat |
| ORe3542M | Oat |
| ORe4541E | Oat |
| ORe6251M | Oat |
| Oreana | Barley |
| Organza | Nemesia |
| Orginale | Pepper |
| Oriana | Potato |
| Orinoco | Canola |
| Orléans | Apple |
| Orléans | Strawberry |
| Orlena | Potato |
| Orlovskaya Serenada | Black Currant |
| Oryu | Hydrangea |
| OS 96-77 | Potato |
| Osantis | Osteospermum |
| Oscar | Potato |
| Osceola | Strawberry |
| Osdapur | Osteospermum |
| Oseclav | Osteospermum |
| Oseclilaca | Osteospermum |
| Osecmapu | Osteospermum |
| Osecspovan | Osteospermum |
| Osectrawhi | Osteospermum |
| Osiana | Rose |
| Osjaliputo | Osteospermum |
| Osjamlipur | Osteospermum |
| Osjampurim | Osteospermum |
| Osjamspowit | Osteospermum |
| Osjamvan | Osteospermum |
| Osjamwhit | Osteospermum |
| Osjaseclipur | Osteospermum |
| Osjotis | Osteospermum |
| Oslalipu | Osteospermum |
| Oslawit | Osteospermum |
| Oslespon | Osteospermum |
| Oslipu | Osteospermum |
| Osnewi | Osteospermum |
| Osorno | Blueberry |
| Osoutis | Osteospermum |
| Ossorio | Alstroemeria |
| Oste Deeppur | Osteospermum |
| Oste Lightpur | Osteospermum |
| Oste Pinkbic | Osteospermum |
| Oste Pur | Osteospermum |
| Oste Whitey | Osteospermum |
| Oste Whiteytwo | Osteospermum |
| Oste Yel | Osteospermum |
| OSTZ0001 | Osteospermum |
| OSTZ0002 | Osteospermum |
| OSTZ0003 | Osteospermum |
| Osyel | Osteospermum |
| OT05-18 | Soybean |
| OT05-20 | Soybean |
| OT05-21 | Soybean |
| OT580 | Oat |
| OT792 | Oat |
| OT91-3 | Soybean |
| OT92-6 | Soybean |
| OT96-25 | Soybean |
| OT99-8 | Soybean |
| Ovation Blush Pink | Impatiens |
| Ovation Blush Rose | Impatiens |
| Ovation Bright Pink | Impatiens |
| Ovation Bright White | Impatiens |
| Ovation Hot Red | Impatiens |
| Ovation Light Purple | Impatiens |
| Ovation Orange Swirls | Impatiens |
| Ovation Orchid Star | Impatiens |
| Ovation Purple | Impatiens |
| Ovation Red | Impatiens |
| Ovation Red Peppermint | Impatiens |
| Ovation Rose Swirls | Impatiens |
| Ovation Salmon Pink | Impatiens |
| Ovcheros | Impatiens |
| Overedclimb | Rose |
| Overtime | Blueberry |
| Ovredspi | Impatiens |
| Ovsuncor | Impatiens |
| Owyhee Russet | Potato |
| Oxena | Verbena |
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