The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Platteville you can figure out when to plant iceberg lettuce by checking out the USDA zone info.

Planting Calendar for Iceberg lettuce

Frost tolerance for iceberg lettuce:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant iceberg lettuce a bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant iceberg lettuce in Platteville is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant iceberg lettuce and expect a good harvest is probably August. You probably don't want to wait any later than that or else your iceberg lettuce may not have a chance to fully mature. You can get started a few weeks earlier by starting your iceberg lettuce indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Platteville. In the coldest months of winter you can expect an average low temperature of -20°F.

Just be sure to remember that USDA zone info for Platteville may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Platteville you get surprised by a frost after April 15 so make sure that you are ready to protect your iceberg lettuce if you have a late frost.

USDA Zone Info for Platteville

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Platteville

You may be interested in your other planting guides for Platteville.