Not only are watermelons (Citrullus lanatus) delicious, they are one of the largest edible fruits grown in the U.S. It’s also one of the most useful fruits as every part is edible: the flesh can be eaten as is, the rind can be pickled and the seed can be roasted or ground into other ingredients.

Heucheras (commonly called Coral Bells) are all-American. Literally. Different species hail from the islands off the California coast to the highest mountains in the Rockies to the Gulf of Mexico. With this diverse range of habitat, these plants are able to find a niche in everyone's garden. Breeders in America and Europe have taken a well-aimed swipe of a paintbrush between these species, and have assembled a plethora of plants with amazing flower and foliage forms that didn’t exist a scant ten years ago. Not only are these plants aesthetically pleasing, but they have become stronger, fuller, and more disease resistant. With few pests, great adaptability to containers and a seemingly unending number of forms, Heuchera should be in everyone's garden!

For decades, zinnias have been the flowering annual of choice for spreading glorious colors throughout the garden as well as for cutting to bring indoors. But it wasn't always so. When the Spanish first saw zinnia species in Mexico, they thought the flower was so unattractive they named it mal de ojos, or "sickness of the eye!" Years of breeding have brought striking new colors, shapes, sizes, and growing habits to the humble zinnia. No present day gardener would ever describe this versatile bloomer as anything less than eye catching.

Marigolds, native to the New World and sacred flower of the Aztecs, journeyed across the Atlantic Ocean twice to travel 3,000 miles north of their center of origin. This lengthy serpentine journey is a testimony to the rugged durability of marigolds.

Their names are sometimes unfamiliar and their tastes exotic. Leafy greens are popular everywhere from gourmet restaurants, farmers' markets and supermarket produce sections to backyard gardens.

The eggplant has been celebrated as an aphrodisiac and feared as the cause of insanity. Today it is appreciated for both its inspiring beauty and delightful flavor.

Cabbage and kale are among the hardiest and most nutritious vegetables a home gardener can grow with ease. Both are handsome in the garden, with colors ranging from pale green through dark battleship blue, to deep reddish purple.

Celosias are one of the most eye-catching annuals to grow in the garden.

According to Webster's Dictionary, melons are "the large round fruit of various plants of the gourd family, with sweet pulpy flesh and many seeds (honeydew, cantaloupe, muskmelon)."

For centuries, Dianthus has been one of the most sought after plants for the garden.

Young snap beans to eat fresh from the garden. Colorful green, purple and yellow beans. Bush beans that grow on compact stems and pole beans that clamber up tepees and trellises.

Clear flower colors and glossy green leaves make Vinca indispensable for season-long interest in the garden and in containers. Add practically no maintenance to these drought tolerant plants and you have a winning combination.

Can you imagine a garden without basil? Impossible!

Sweet Corn is an indisputable native of the Americas and has been consumed for 7,000 years.

The National Garden Bureau celebrates the Asian culture and the contributions to North American gardens and ethnic cuisine.

Should we call them geraniums or pelargoniums? By any name, they are definitely as sweet.

Whether edging a flower bed, covering a bare area like a ground cover, spilling out of a container or trailing from a hanging basket--petunias help keep the gardening season at its most colorful from late spring to fall.