Heirloom Vegetables Plan For Spring 2013

Heirloom Vegetables

Source: Karen Russ, Horticulture Specialist, and David Bradshaw, Extension Horticulture Specialist, Clemson University

Why Grow Heirlooms

One reason to grow heirloom vegetables is simply that they are a taste of the past.
Heirloom varieties that have been selected for taste and tenderness.
When gardeners save the seed of the best tasting, best performing plants in their gardens each year for a number of years, they gradually select their own special cultivars. Those selections will be suited to their own growing conditions and tastes. Open pollinated seed that has been grown and harvested for generations in a region or microclimate becomes adapted to that area ‘s soil, climate and pests.
Many people grow and save old cultivars because they save a lot of money by avoiding the purchase of new and expensive hybrid seed each year.

Another vital reason to maintain heirlooms is to keep their genetic traits for future use. When old varieties of food crops are not maintained, the gene pool grows smaller and smaller. This may lead to increased disease and pest problems.

Saving Seed

If you grow heirloom vegetables, you will almost certainly save seed. More and more companies are beginning to carry old cultivars in their seed list, but most heirloom gardeners want to ensure their seed supply against changes in fashion. Many also feel that saving their own seed gives them more connection to the entire process of growth and regeneration.

Some vegetables are mainly self pollinating their seeds will produce plants like the parent plant that produced the seeds. Beans, peas and peanuts, lettuce, eggplant, peppers, and tomatoes are usually self pollinating. Insects occasionally cross them, so plant them with at least 10 feet between varieties. Beans and tomatoes are very popular as heirloom vegetables partly because they are easily maintained true to type. Onions, cucumbers, corn, pumpkins, squash, broccoli, beets, carrots, cabbage, cauliflower, melons, radishes, spinach, Swiss chard and turnips are all insect or wind-pollinated. In a small garden, the easiest way to ensure purity is to grow not more than one variety of a species at a time. If your goal in raising an heirloom variety is to preserve it, you do not want it to cross with something else.

Most vegetable seeds remain viable for three to five years when stored properly. Place thoroughly dry seed in a tightly closed glass jar and keep the jar in a cool dry location. Put silica gel packets in with the seed to help keep it dry. You can add diatomaceous earth to seed to help prevent insect damage. Store seed in the refrigerator to further increase its life expectancy. To test for germination, sprout seeds between moist paper towels; if germination is low, either discard the seeds or plant extra to give the desirable number of plants.


Beans of all kinds are very popular heirloom vegetables. There are thousand of cultivars, with huge variations in taste, size, color and markings, and climate adaptability.

Beans are usually not cross-pollinated. Separate plantings by enough distance to avoid having their vines intertwine. Allow the seed to thoroughly mature on the vine. Pull the entire plant and place it in the shade to dry out for one to two weeks. Bring inside to finish drying if rain threatens. Shell and store in a cool, dry area in a paper bag. Bean and cowpea seeds will keep for three or more years.

Lima & Butter Beans

  • ‘Christmas Lima’ does well in hot, humid climates. Climbing vines produce large seeds that are white with maroon streaks and have a wonderful flavor.
  • ‘Snow on the Mountain’ is a beautiful, heavy-producing pole lima from the 1800s. It has deep maroon seeds with white markings.
  • ‘Jackson Wonder Bush’ is a productive and drought-tolerant 1880s vintage heirloom from Georgia. Purple and black mottling. 66 days.

Pole, Snap & Dry Beans

  • ‘Cherokee Trail of Tears Pole’ These heirloom pole beans were carried by Cherokee Indians on the “Trail of Tears.” Purple-striped pods with shiny black seeds.
  • ‘Greasy Cutshort Pole’ has leaves that are shiny, giving a greasy appearance. Good eaten as snap beans.
  • ‘Jacob’s Cattle’ is a small, pretty bean, pure-white with deep maroon splashes. Excellent quality for baking and soups.
  • ‘Rattlesnake Pole’ has purple-streaked 7-inch green pods that curl like snake. The buff-colored beans with black stripes are good as shell beans or snaps. Vines grow 10 feet tall.
  • ‘Tongues of Fire’ is an early snap bean with beige and brown markings. Excellent flavor.


All corn is wind-pollinated and will readily cross with other varieties. Varieties should be widely separated, from 600 feet to over half a mile to ensure purity. You can also save seed by bagging the ears that you want to save for seed and hand-pollinating them, or by growing cultivars that will be separated by blooming time. You should always grow at least 200 corn plants in a large block when saving seed. Save seed from 50 ears of different plants to reduce inbreeding depression. Let the seed dry thoroughly on the plant and then dry further once husked. Seed lasts only one year.

  • ‘Golden Bantam’ was first introduced in 1902. This is the corn all others were compared to.
  • ‘Country Gentleman’ is a popular old-fashioned shoe peg variety with irregularly spaced white kernels.
  • ‘Stowell’s Evergreen’ was the standard, late-season white sweet corn before ‘Silver Queen.’ Ears are 8 to 9 inches long.
  • ‘Bloody Butcher’ is a flint corn used for flour-making or decoration. The ears are bright red.
  • ‘Strawberry Popcorn’ an old variety, grows 2-to 3- inch ears that are excellent for decorations in the fall, then popping in the winter.


There are many different forms of cucumbers that are rarely seen in stores. Cucumbers are cross-pollinated by insects. So if you want to save cucumber seed, plant only one variety. Let the fruits hang on the vine until ripe (skin becomes yellowish and hard). Then handle like the process for tomatoes given below.

  • ‘Lemon’ produces many lemon-colored and lemon-shaped fruit on fast-growing vines.
  • ‘White Wonder’ is an old variety that matures to an ivory white color. The 7-inch fruit are easy see at harvest.


Cut off seed stalks when fluffy in appearance, just before all the seeds are completely dried. Seeds will fall off the stalk and be lost if allowed to mature on the plant.

  • ‘Deer Tongue’ is a pre-1900 heirloom that is named for its pointed leaves and thick mid-rib. It is heat-tolerant and slow-bolting.
  • ‘Tennis-ball’ was a very popular lettuce in the vegetable garden at Monticello. Tennis-ball lettuce has been grown since the late 18th century, and it is the parent of Boston lettuce types.


Treat melons in the same way as cucumbers.

  • ‘Jenny Lind’ grows to 1 to 2 pounds with sweet, lime-green flesh. An heirloom from New Jersey, it was named in 1846.
  • ‘Hearts of Gold’ is a very popular old-timer. The 3-pound melons have thick, fine-grained flesh with spicy flavor. Flesh is salmon-orange in color.


Potatoes are popular heirloom vegetables. There are many unusual colors, shapes and flavors that are seldom found at the grocery store. Heirloom potatoes are saved from year to year as tubers, and so are very easy to maintain true to name.

  • ‘Russian Banana’ is a fingerling potato that is yellow-fleshed with a pleasantly waxy texture. It varies from finger-size up to the size of an actual banana.
  • ‘Yellow Finns’ are medium-size, with yellow skin and yellow flesh.
  • ‘Ruby Crescent Fingerling’ has small tubers between 2 and 6 inches long. Ruby-red skin covers deep yellow flesh.


Okra pods should be left on the stalk until brown and well-matured. Remove the pods and place them in the shade until thoroughly dried. It is best to store okra seed in the pod until ready for planting.

  • ‘Longhorn’ has long pods that are tender up to 6 or 8 inches long. It dates from the 1880s.

Peppers, Sweet & Chili

Peppers are usually self-pollinating. Insect cross-pollination does occur sometimes, and if it does, hot bell peppers can result, since the gene for hotness is dominant. If grown closer than 500 feet apart, plants must be caged or bagged to prevent spicy surprises in future years.

Peppers should be allowed to ripen until they become red. Cut the pepper pod in half and scrape the seed onto a piece of paper. Spread out the seed and dry thoroughly before placing in a storage container. Wash your hands thoroughly with soapy water after harvesting the pepper seeds, since the residues will burn eyes and lips for hours after contact.

Southern Peas or Cowpeas

Southern peas are handled in the same way as beans.

  • ‘Calico Crowder’ is a medium-sized, heirloom, climbing crowder pea, white with maroon splotches, good fresh or dried. 70 days.
  • ‘Kreutzer’ is an excellent cowpea which produces quantities of attractive beige-and-brown cowpeas with darker-brown specks.
  • ‘Pink-Eye Purple-Hull’ has cream-colored seeds with maroon eyes in pods which turn purple at maturity. Vigorous, heat-loving and drought-tolerant plants with little vining.
  • ‘Washday’ is so named because they cooked up fast on busy washdays. This tan-yellow variety is a good yielder that makes a tasty soup. It is a half-runner type from the 1800s.

Squash & Pumpkins

Winter and summer squash and pumpkins are all related. Crossing readily occurs between varieties of the same species. No crossing occurs between different species. Grow only one variety of the same species, and separate by ½ mile or hand pollinate to maintain purity. The commonly grown species are: banana, buttercup, cushaw and hubbard squash (Cucurbita maxima); butternut squash (Cucurbita moschata); acorn, crookneck, and scallop squash, zucchinis and most pumpkins (Cucurbita pepo); and Mexican gourd (Cucurbita ficifolia).

When the outer covering of the squash is so hard that it cannot be dented with your fingernail, the seeds are generally mature. Split the squash fruit open, scoop out the seed and wash until all pulp is removed. Spread out on newspaper to dry.

  • ‘Cushaw Green-Striped Squash’ (C. mixta) has good-sized white fruits with green stripes and long, curved necks. It is good for pies and baking. Drought-tolerant and a good keeper.

Pumpkins & Related Squash (Cucurbita pepo)

  • ‘Rouge Vif d’Etampes’is also known as the Cinderella pumpkin. This French heirloom pumpkin is productive and beautiful. The fruits are flat, burnt orange to red, and deeply ridged, ranging from 1 to 2 feet across.
  • ‘ Connecticut Field’ is an old standard in field pumpkins. Large 20 to 35 pounds.
  • ‘Small Sugar’ is a sweet, tasty pumpkin to 9 inches across, on short, space-saving vines.


Tomatoes are self-pollinators and are usually not cross-pollinated. Only the potato leaf varieties must be separated. Pick fruit from desirable plants when ripe. Cut fruit and squeeze out pulp into a container. Add a little water and let ferment two to four days at room temperature, stirring occasionally. When seeds settle out, pour off pulp and spread seeds in a thin layer to dry thoroughly. Store in an envelope or glass jar in a cool, dry place. Properly stored seeds will remain viable for four to 10 years.

  • ‘Brandywine’ is the most famous heirloom tomato. This Amish heirloom originated in Chester County, PA, in 1885. The flavor and texture are superb. Fruit quality stays high late in the season. The plant often appears disease-resistant. This “potato-leaf” variety makes a half to a pound pinkish-red fruits.
  • ‘Cherokee Purple’ is one of the most widely adapted of the “purple” or “black” tomatoes. The flesh inside is brick red and soft, and it has good flavor. Pinkish-brownish-purplish delicious fruits on indeterminate vines.
  • ‘Georgia Streak’ is a yellow and red beefsteak indeterminate heirloom from Georgia. Makes great-looking slices for summer salads.
  • ‘Yellow Pear’ has prolific vines that produce loads of 1- to 2- inch pear-shaped fruits with good flavor.
  • ‘Arkansas Traveler’ produces medium-sized, dark-pink tomatoes on heat-tolerant vines.
  • ‘Mortgage Lifter’ produces pink to red, medium-sized to large fruit. Also called Radiator Charlie’s Mortgage Lifter.


  • ‘Moon & Stars’ These 15 to 30 pound melons have sweet red-pink flesh. The dark green rind is covered with bright yellow spots. The leaves of the plants are also spotted.

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