One of the first steps you take when you are getting a good idea your gardening schedule is find your 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 determining when it's possible to plant lemon grass is to check out the USDA zone info for Mount Rainier.

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 start planting them slightly earlier than other frost tender plants.

The earliest that you can plant lemon grass in Mount Rainier 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. Any later than that and your lemon grass may not have a chance to grow to maturity. You can get started a little bit earlier by starting your lemon grass indoors.

Last Frost Date

The average date of last frost is April 15 in Mount Rainier. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Mount Rainier may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Mount Rainier you get surprised by a frost after April 15 so just be sure to be ready to cover your lemon grass if you have a surprise late frost.

USDA Zone Info for Mount Rainier

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 Mount Rainier

You may be interested in your other planting guides for Mount Rainier.