The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when it's possible to plant cilantro by using the USDA zone info for Harvey.

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.

Since cilantro are one of those plants that can tolerate a tiny bit of cold weather you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant cilantro in Harvey 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. Any later than that and your cilantro may not have a chance to really do well. If you are starting your cilantro indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Keep in mind that USDA zone info for Harvey is just an average and the actual date of last frost is different every year. Half of the time in Harvey there is a last frost after April 15 so make sure that you are ready to cover your cilantro if you have a late frost.

USDA Zone Info for Harvey

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°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 -10°F.

Plants to Grow in Harvey

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