One of the first steps you take when you are figuring out 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.

It's possible to figure out when to plant pampas grass by reviewing the USDA zone info for Lebanon.

Planting Calendar for Pampas Grass

Frost tolerance for pampas grass:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Pampas Grass are not cold tolerant which means that you have to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant pampas grass in Lebanon is April. However, you really should wait until May if you don't want to take any chances.

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

Last Frost Date

On average all chance of frost has passed is on April 15 in Lebanon. It might get as low as -20°F during the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Lebanon and it can change quite a bit from year to year. Since half of the time in Lebanon there is a last frost after April 15 be ready to protect your pampas grass if you have a surprise late frost.

USDA Zone Info for Lebanon

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Lebanon

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