The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for La Grande you should be able to figure out when to plant lantana.

Planting Calendar for Lantana

Frost tolerance for lantana:	Not tolerant of frost.
When to plant:	After the last 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 La Grande 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. If you wait any later than that and your lantana may not have a chance to really do well. Starting your lantana indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in La Grande. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for La Grande is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in La Grande you get a frost after April 15 so be sure to be ready to cover your lantana if you have a late frost.

USDA Zone Info for La Grande

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 La Grande

You may be interested in your other planting guides for La Grande.