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 El Reno you can figure out when it's the best time to plant iceberg lettuce by reviewing 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 one of those plants that can tolerate a tiny bit of cold weather which means that you can get them planted just a bit earlier than other frost tender plants.

The earliest that you can plant iceberg lettuce in El Reno 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. Any later than that and your iceberg lettuce may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your iceberg lettuce indoors.

Last Frost Date

The average date of last frost is April 15 in El Reno. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for El Reno is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in El Reno there is a last frost after April 15 so be sure to be ready to cover your iceberg lettuce if you have one of those late frosts.

USDA Zone Info for El Reno

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in El Reno

You may be interested in your other planting guides for El Reno.