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Corn · Moderate

How to Grow Illini Xtra Sweet

Zea mays 'Illini Xtra Sweet'

Your complete guide to growing Illini Xtra Sweet.

☀SunFull sun (6+ hours)
💧WaterHigh — consistent moisture needed
📅Harvest85-90 days
🗺Zones2–11
📏Height5-8 feet
Illini Xtra Sweet📷 Wikimedia Commons

When to Plant Illini Xtra Sweet

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 1 — July – August October – August
Zone 2 — June – August October – September
Zone 3 — June – July September – October
Zone 4 — June – July September – October
Zone 5 — May – June September – October
Zone 6 — May – June August – October
Zone 7 — April – June August – September
Zone 8 — April – May July – September
Zone 9 — March – April June – August
Zone 10 — February – April June – July
Zone 11 — January – March May – June
Zone 12 — January – March May – June
Zone 13 — January – March May – June

Companion Plants for Illini Xtra Sweet

✓ Good companions

Bush Beans

Fixes nitrogen in soil that corn can utilize, classic Three Sisters companion

Dill

Attracts beneficial wasps and ladybugs that prey on corn aphids and other pests

Marigolds

Repels corn earworms, aphids, and other harmful insects with natural compounds

Nasturtiums

Acts as trap crop for aphids and cucumber beetles, attracts beneficial predatory insects

Pole Beans

Uses corn stalks as natural support while providing nitrogen fixation

Sunflowers

Attracts beneficial insects and birds that control corn pests

Sweet Alyssum

Attracts beneficial insects like hoverflies that control aphids and other corn pests

Winter Squash

Large leaves suppress weeds and retain soil moisture, completes Three Sisters planting

✗ Keep away from

Black Walnut

Releases juglone toxin that severely stunts corn growth and can kill plants

Fennel

Releases allelopathic compounds that inhibit corn germination and growth

Tomatoes

Both attract corn earworms and share similar pest problems, increasing infestation risk

Nutrition Facts

Per 100g serving (USDA FoodData Central)

86.0kcal
3.22gProtein
2.70gFiber
6.80mgVitamin C
0.52mgIron
Notes from the garden

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Seasonal planting ideas, useful tips and a little inspiration. No weeds.