Ambrosia Sweet Corn


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Ambrosia Sweet Corn Cobs have a checkerboard appearance of juicy and large white and yellow kernels! This hybrid yellow and white sugary-enhanced (se) variety of bi-colored sweet corn is known for its higher sugar content. Ambrosia Sweet Corn produces large, 8-11€³ ears excellent for eating.

Corn is one of the plants grown in the traditional Native American vegetable technique called the Three Sisters. The other two plants in the Three Sisters are beans and squash, and each has its role in the companion planting tradition. Corn serves as a support for the vining beans. Squash served as a ground cover, preventing weeds from growing. Beans provided natural fertilizer for all.

Also Known As: Sugar Enhanced Corn, Sugar Corn, Pole Corn, Maize, Maise

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Plant Name:
Sweet Corn, Ambrosia F1
Latin Name:
Zea mays
Days to Germinate: 10-14
Days to Harvest: 70
Germination Rate: 93%
Test Date: 10/23
Growth Habit: Upright
USDA Zones: 4-9
Lifespan: Annual
Brand: TomorrowSeeds
Sunlight: Full Sun, Partial Shade
Fungicide-Treated Seeds*: No (Select)
Seeds Packed For**: 2024
*Fungicide-treated seeds protect the seedlings from diseases until they are up and growing. Do not eat treated seeds.
**Seeds are freshly packed for the growing season of the year listed. Seeds are still viable beyond pack date. Store in a cool and dry location such as the refrigerator or basement to best preserve germination rates.

Planting Instructions:


Soil Preparation and Fertilizing:

For small gardens, sweet corn is best planted in square blocks instead of long rows to improve cross-pollination between corn stalks. Corn will grow best in areas with plenty of sunlight and prefers well-drained soils with a pH between 5.5 and 7.0. To prepare the soil, clear the area of rocks, trash, and large sticks. Small pieces of grass and leaves can be mixed into the soil to make it richer. Spade the soil 8-10 inches deep and completely cover plant material. You may optionally scatter 2-3 pounds of a complete fertilizer for every 100 square feet of garden area. Rake it into the top 4 inches of soil.  Rake the soil until it is smooth.


Sweet corn is best planted after the soil warms and is free from all danger of frost. Plant 1-2 ounces of seed for every 100 feet of row. Sweet corn grows best when planted in several short rows instead of one long row. This makes it easier for the plants to pollinate and grow plump juicy kernels. Plant corn seeds 1 inch deep and 3-4 inches apart. Space rows 2 1/2 - 3 feet apart. After the plants are up, thin them to 1 foot apart. For a steady harvest, plant again after 2-3 weeks.
Planting Depth: 1 inch
Within-Row Spacing:
3-4 inch, thin to 1 foot
Between-Row Spacing:
2 1/2 - 3 feet


Care During the Season:

Watering: Water sweet corn as needed to keep it from wilting. When kernels are forming, try not to let the corn suffer from lack of water.
Weeding and Fertilizing: Hoe the weeds off just below the soil's' surface. Try not to work the soil more than 1 inch deep to prevent injuring root systems. When corn plants are about  2 feet fall, you may optionally apply 1 cup of fertilizer for every 10 feet of garden row. Scatter fertilizer evenly between rows and mix it lightly with the soil. Water after fertilizing.

Insecticides: Insecticides may be used to protect plants. Bt-based insecticides and sulfur are organic options that can be used for prevention. Sevin is a synthetic option. Sulfur also has fungicidal properties and helps in controlling many diseases. Before using a pesticide, please read the label and always follow cautions, warnings and directions.

Diseases: If a few of your corn plants are stunted, they may have a viral disease and should be removed to keep the virus from spreading.


Corn are ready for harvest about 3 weeks after the tassel grows on top of the corn plant. Corn is ripe when juice from the kernels is milky white, the silk on the ears has turned dark brown, the ears are firm, and kernels on the tips of the unhusked ears are plump and milky. Sweet corn is not ready when the juice of the kernel is watery. It is overripe when the kernels get large, chewy, and pasty like dough (starchy). The best time to pick corn is in the early morning or evening when it is cool. To harvest the ears, hold the stalk below the ear and twist the tip of the ear toward the ground until it breaks off. Cook the corn right away, or store it in the refrigerator until mealtime. Corn loses flavor and nutrients quickly when left at high temperature. Watch the corn closely because the quality changes fast. To store corn, keep corn in the husk and place in the refrigerator uncovered for 1 or 2 days. Corn stored for more than 2 days loses its sweetness.

Nutrition Facts:

Calories 88
% Daily Value*
Total Fat 1.4 g 2%
Saturated fat 0.3 g 1%
Polyunsaturated fat 0.5 g
Monounsaturated fat 0.4 g
Trans fat regulation 0 g
Cholesterol 0 mg 0%
Sodium 15 mg 0%
Potassium 275 mg 7%
Total Carbohydrate 19 g 6%
Dietary fiber 2 g 8%
Sugar 6 g
Protein 3.3 g 6%
Vitamin A 3% Vitamin C 11%
Calcium 0% Iron 2%
Vitamin D 0% Vitamin B-6 5%
Cobalamin 0% Magnesium 9%
*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.