One of the best tools that you have as gardeners to help us estimate 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.

One way of figuring out when it's possible to plant lemon grass is to refer to the USDA zone info for Thomson.

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 tend to make it in some cold which means that you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant lemon grass in Thomson 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 lemon grass and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lemon grass may not have a chance to grow to maturity. If you are starting your lemon grass indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Thomson the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 10°F.

Always keep in mind that USDA zone info for Thomson is just an average and the actual date of last frost is different every year. Half of the time in Thomson there is a last frost after March 15 so always be ready to cover your lemon grass in the event of a surprise late frost.

USDA Zone Info for Thomson

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Thomson

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