Most sweet corn varieties will have one to two ears per plant because they are mature rapidly and are generally short statured plants. Early maturing sweet corn will have one ear while those that mature later have two harvestable ears.

When you’re growing corn in pots, you need a container that is at least 12 inches in diameter and deep. Each container can hold four corn plants. Corn plants are a heavy feeder, so you need to use compost or fertilizer in the soil before you plant. You should also use fertilizer throughout the growing season.

Corn requires block planting to ensure pollination, so the container must be large enough to plant at least three rows of three or more plants. Alternatively, growing corn in 5-gallon buckets is an option. Prepare the buckets in the same way, and plant one plant in each bucket.

Fast-Maturing Sweet Corn Varieties. Early Maturing SU Varieties: Among yellow SU cultivars, Earlivee is the earliest to mature, at 58 days, and Seneca Horizon matures in 65 days. Sugar Pearl at 73d is the earliest white cultivar to mature.

Sweet corn is easier to grow than many people think. It can be grown in large containers, or the ground, and only requires a bit of room to anchor its tall stems. Plant it in ‘blocks’ rather than rows as it is pollinated by the wind.

apart, four seeds per container, about an inch (2.5 cm.) deep into the soil media. If planting multiple pots of corn seeds, space the containers 5-6 inches (12.5 to 15 cm.) away from each other.

The best place to grow sweetcorn can be summed up as, in full sun, in free-draining, water retentive rich soil and protected from the strong winds. They also are best grown in blocks rather than straight lines. Sweetcorn will always produce better cobs when grown in full sun.

Supersweet corn are also hybrid varieties–the sweetest flavored of all corn. Supersweet corn varieties are sweeter than sugary enhanced varieties. Supersweets also have an enhanced harvest window of 2 to 3 days.

11 Top-Rated Sweet Corn Selections to Grow at Home

• Golden Bantam.
• Honey Select Hybrid.
• Jubilee Hybrid.
• Nirvana Hybrid.
• Peaches and Cream.
• Picasso Hybrid.
• Ruby Queen Hybrid.
• Silver Queen Hybrid. Rivalling the ‘Ruby Queen’ throne, ‘Silver Queen’ is a popular late-season SU variety that is very much worth the wait.

Sweet corn seeds can appear shrunken and shriveled; before they can germinate, they must slowly plump up with water. To help them along, soak dry seeds in water at room temperature overnight before planting (Image 1). To help them germinate, keep the room temperature at a gentle heat of 55 to 59 degrees Fahrenheit.

For this reason, it’s best to select and plant just one type of corn variety. Corn plants that produce shorter stalks are a good bet for growing corn in pots. Some examples of these are: Strawberry Popcorn. Sweet Spring Treat. Sweet Painted Mountain.

Keep the soil moist throughout the growing season. Corn needs consistent water to thrive. Growing corn in containers especially requires great drainage, and plenty of water. To keep your corn plants from drying out, try mulching with wood chips to hold in moisture.

You may want a fast-growing variety of corn such as BonJour or Casino, or if you live in an area with cooler, short-growing seasons try Painted Mountain. Super sweet varieties of corn are: Use container garden soil specifically formulated to retain moisture and add a bit of fish emulsion or other all-purpose fertilizer to the mix.

How to Grow Corn in a Container. First of all when growing corn in pots, you must select a container. Use your imagination. Not only will a clay pot work, but lined wooden crates, garbage cans, laundry baskets, barrels, etc. will all suffice.