Growing Onions in Indiana: Which Varieties Actually Bulb
Indianapolis sits at 39.71 degrees north, and on the longest day of the year the sun gives it 14 hours and 49 minutes of daylight.
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Indianapolis sits at 39.71 degrees north, and on the longest day of the year the sun gives it 14 hours and 49 minutes of daylight.
Indianapolis sees its average first fall frost somewhere between October 21 and October 30, which puts it right on top of Halloween, not weeks ahead of it.
Around Chicago, the mean first fall frost lands somewhere between October 24 and November 3.
Illinois sits at 41.99 degrees north latitude, measured at the Chicago weather station used for this page, and that single number decides which onions…
Boise’s mean first fall frost lands somewhere between October 7 and October 21, weeks before Halloween arrives.
Boise sits at 43.57 degrees north, and on the longest day of the year the sun keeps that valley lit for 15 hours and 15 minutes.
Hawaii doesn’t have a frost season to plan around, so the calendar that works in Ohio or Vermont doesn’t apply here.
Onions bulb by day length, not by heat, and Hawaii’s day never gets long enough for most of the varieties sold in stores.
Georgia’s growing season runs long, and that changes the pumpkin math most Halloween guides assume.
Georgia sits at latitude 33.63 degrees north, and on the longest day of the year the sun gives it 14 hours and 14 minutes of daylight.