One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when to plant lemon grass is to look at the USDA zone info for South Houston.

Planting Calendar for Lemon grass

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

Lemon grass do ok in moderate cold which means that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant lemon grass in South Houston is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant lemon grass and expect a good harvest is probably September. Any later than that and your lemon grass may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your lemon grass indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in South Houston. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for South Houston may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in South Houston you get surprised by a frost after February 15 so be sure to be ready to protect your lemon grass in the event of one of those late frosts.

USDA Zone Info for South Houston

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°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 25°F.

Plants to Grow in South Houston

You may be interested in your other planting guides for South Houston.