Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant iceberg lettuce in Valparaiso can be determined by using 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.

Iceberg lettuce are barely cold tolerant which means that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant iceberg lettuce in Valparaiso 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. If you wait any later than that and your iceberg lettuce may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your iceberg lettuce indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Valparaiso. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Valparaiso may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Valparaiso it frosts late in the year after March 15 be ready to cover your iceberg lettuce in the event of one of those late frosts.

USDA Zone Info for Valparaiso

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

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

Plants to Grow in Valparaiso

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