Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of estimating when it's the best time to plant lantana is to examine the USDA zone info for Pullman.

Planting Calendar for Lantana

Frost tolerance for lantana:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You should not plant lantana until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant lantana in Pullman 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 lantana and expect a good harvest is probably August. Any later than that and your lantana may not have a chance to grow to maturity. Starting your lantana indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Pullman. You can expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Pullman is an average and the actual date of last frost is different every year. Since half of the time in Pullman there is a last frost after April 15 be ready to cover your lantana in the event of a late frost.

USDA Zone Info for Pullman

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Pullman

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