Sweet Corn 5

Corn

Zone 1b Save Garden

🌱 75d to harvest Upright

Sun-warmed kernels burst with a honeyed sweetness and a tender, milky snap at peak ripeness. Sweet Corn 5 forms uniform, medium-t…

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Jun 1st
Transplant / Sow Outdoors	Jun 1st
Harvest Begins	Aug 15th
Harvest Ends	Aug 1st

Crop Details

Trait	Value
Days to Maturity	75
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	60
Min Soil Temp (°F)	55
Min Night Temp (°F)	28
Harden Off (days)	Not Required

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Frequently Asked Questions

What pest or disease most commonly affects Zea mays (sweet corn) and how can I stop it?

Watch for corn earworm (Helicoverpa zea) as silks emerge—tiny larvae bore into developing ears and damage kernels. Inspect ears every 2–3 days and remove damaged ears early; you can also use an appropriate targeted Bt product labeled for corn earworm and apply when silks first appear. For disease, keep leaves dry and improve airflow (avoid dense spacing) to reduce common rust and leaf blights that spread under humid conditions.

How often should I water sweet corn (Zea mays var. saccharata) during the main growing phase?

During tasseling to early ear fill (roughly weeks 6–10 of growth), keep soil consistently moist with about 1 inch of water per week, split into 2–3 deeper waterings if it doesn’t rain. Aim to maintain even moisture—letting the soil dry out and then re-watering can cause poor kernel development. Check by pushing a finger 1–2 inches into the soil; water when it feels dry at that depth, especially around the ear zone.

How do I tell when sweet corn is ready to harvest?

Harvest sweet corn about 75 days after planting and, more reliably, when silks are brown and dried but ears feel fully filled from top to tip. Press a kernel with your thumbnail—if it releases milky juice and the kernel is tender (not starchy), it’s ready. For best sweetness, harvest in the morning and cool the ears quickly after picking.

Sun-warmed kernels burst with a honeyed sweetness and a tender, milky snap at peak ripeness. Sweet Corn 5 forms uniform, medium-to-large yellow ears with a smooth, tightly filled cob that stays succulent for days after harvest. Enjoy it straight from the garden for fresh eating, or let its bright flavor shine in summer salads, salsas, and creamy corn-forward sauces.

Sowing Tips

Transplant Conditions

Wait until soil reaches 55°F and nights stay above 28°F before moving outdoors.

Expert Note

For best ears, plant in blocks (not rows) so wind pollination can happen effectively, and keep soil consistently moist until silking.