How to Grow Corn Bi-Color Blend
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Corn Bi-Color Blend
Zea mays
vegetableBi-color corn is a sweet corn variety that produces ears with both yellow and white kernels, offering a sweet flavor and attractive appearance. This blend typically combines the sweetness of white corn with the classic flavor of yellow corn in a single ear. It's a popular home garden variety prized for its visual appeal and superior taste at the dinner table.
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Example Corn Bi-Color Blend timeline · Pittsburgh, PA (Zone 6b)
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Plant Corn Bi-Color Blend
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Corn Bi-Color Blend
Around Jun 26≈ 70 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Corn Bi-Color Blend dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-10, with best performance in zones 4-8
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Germination
7-10 daysSeeds sprout and first leaves emerge above soil. Plant appears as small green shoots.
Ensure consistent soil moisture. Soil temperature should be at least 60°F, ideally 70°F+. Thin seedlings if planted thickly.
Vegetative Growth
3-4 weeksPlant develops 4-6 true leaves and begins rapid height growth. Roots establish deep in soil.
Keep weeds controlled. Apply balanced fertilizer when plant reaches 6-8 inches tall. Ensure consistent watering.
Tassel & Silking
2-3 weeksMale flowers (tassel) form at top of plant; female flowers (silks) emerge from leaf axils. Silks become visible protruding from ear husks.
This is a critical growth period. Maintain consistent watering—drought stress now reduces kernel development. Begin side-dressing with fertilizer if needed.
Kernel Development
2-3 weeksKernels fill out and mature. Ears become full and heavy. Silks dry and brown.
Continue regular watering—this is essential for plump kernels. Monitor for pests. Do not fertilize after silking.
Harvest Ready
Variable; harvest window is 2-5 daysKernels reach full size and milk stage. Ear feels full when gently squeezed. Silks are completely brown and dry.
Check daily for peak ripeness. Harvest in early morning when kernels are plumpest. Peak sweetness occurs 20 days after silking.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Hand-pick larvae; apply Bt (Bacillus thuringiensis) when silks first emerge; use organic insecticides if needed
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Monitor for caterpillars; use Bt spray; remove affected parts; encourage natural predators
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Hand-pick beetles; use insecticidal soap; plant trap crops nearby; apply beneficial nematodes to soil
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Remove affected stalks; apply Bt; plant resistant varieties; practice crop rotation
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Spray with strong water stream; use neem oil or insecticidal soap; encourage beneficial insects like ladybugs
Uses
Fresh eating and cooking
CulinaryBi-color corn is prized for fresh consumption, grilling, boiling, and steaming. The combination of yellow and white kernels offers balanced sweetness and classic corn flavor. [source]
Corn salads and sides
CulinaryFresh kernels work beautifully in summer salads, corn chowder, succotash, and fresh corn relish. The attractive bi-color appearance enhances presentation. [source]
Decorative husks and cobs
HouseholdDried husks can be used for corn silk dolls, dried arrangements, and craft projects. Cobs serve as mulch or animal bedding. [source]
Wildlife food
WildlifeMature corn provides food for deer, raccoons, squirrels, and birds. Leaving some unharvested ears supports local wildlife in fall. [source]
Freezing and preservation
CulinaryBi-color corn freezes well; blanch ears for 7-10 minutes, cool, and freeze for 8-12 months of fresh-tasting corn. [source]
Harvest Tips
Harvest when ears feel full and kernels are plump. Gently pull back the husk and pierce a kernel with your thumbnail—a milky liquid should squirt out indicating peak ripeness. Ears are best harvested in early morning. Twist and pull ears downward sharply to detach from stalk. Use fresh immediately or refrigerate; sweetness converts to starch quickly after harvest.
Fun Facts
- 🌱 Bi-color corn is a hybrid variety that combines genetics from white and yellow sweet corn lines, creating a single ear with both kernel colors and blended sweetness.
- 🌱 Corn silk (the threads protruding from ears) is actually the plant's stigma—each silk connects to a single kernel, and each kernel needs pollination from pollen landing on its silk for proper development.
- 🌱 A single corn plant can produce 1-2 ears, and pollen from the tassel can travel up to 600 feet, making corn a prolific pollinator if multiple plants are grown together.
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