SproutSmart
SproutSmart Intelligent Garden Sowing

Sweetness

Sweet Corn
Botanical illustration of Sweetness
🌱 75d to harvest Upright

Silky, milk-sweet kernels burst with a honeyed tenderness that feels almost luminous against the tongue—an irresistible bicolor t…

Planting Schedule

Add Sweetness to your garden to build a schedule and get reminders.

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 15th
Transplant / Sow OutdoorsMay 15th
Harvest BeginsJul 29th
Harvest EndsSep 24th

Crop Details

TraitValue
Days to Maturity75
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)60
Min Soil Temp (°F)60
Min Night Temp (°F)28
Harden Off (days)Not Required

Frequently Asked Questions


What’s the most common sweet corn pest or disease problem, and how do I control it at home?
A frequent issue is corn earworm (Helicoverpa) that bores into developing ears and damages kernels. Start inspecting when silks first appear; if you see small caterpillars in the silk channel, remove heavily infested ears and use an appropriate labeled Bt insecticide targeted for corn earworm, following label rates. Also keep weeds down and avoid letting corn silks stay wet overnight to reduce moth activity and egg survival.
How often should I water sweet corn during the main growing phase?
During tasseling and pollination through early ear fill, sweet corn needs consistently moist soil—about 1 to 1.5 inches of water per week total, either from rainfall or irrigation. Water deeply 1–2 times per week so the root zone stays evenly moist (not soggy), and reduce stress because drought during pollination sharply reduces kernel sweetness and ear fullness.
How can I tell when sweet corn is ready to harvest (Ze a mays var. saccharata)?
Harvest when the ears have filled out and the silks have turned brown and dried, usually around 75 days from sowing for this variety type. Do a “milk test”: puncture a kernel and look for milky liquid—kernels should be tender and sweet, not doughy.
Botanical illustration of Sweetness

Silky, milk-sweet kernels burst with a honeyed tenderness that feels almost luminous against the tongue—an irresistible bicolor treat. “Sweetness” produces well-filled ears with a crisp, juicy bite and a balanced sweetness that shines at peak harvest. Grow it for fresh enjoyment, and for spoonable, creamy-style corn dishes, where its naturally sweet character stays bright and fragrant.

Sowing Tips

Transplant Conditions

Wait until soil reaches 60°F and nights stay above 28°F before moving outdoors.

Expert Note

For best ear fill, sow in blocks (not single rows) and keep soil evenly moist from tassel through milk stage.