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

In Tulsa you can estimate when it's possible to plant cilantro by reviewing the USDA zone info.

Planting Calendar for Cilantro

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

You can plant cilantro slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant cilantro in Tulsa 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 cilantro and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cilantro may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your cilantro indoors.

Last Frost Date

On average the last frost is on April 15 in Tulsa. In the coldest months of winter you can expect an average low temperature of 0°F.

Remember that USDA zone info for Tulsa is just an average and the actual date of last frost changes from year to year. Since half of the time in Tulsa you get surprised by a frost after April 15 be ready to protect your cilantro if you have a surprise late frost.

USDA Zone Info for Tulsa

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 Tulsa

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