The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Baker City it's a good idea to estimate when it's the best time to plant alternanthera.

Planting Calendar for Alternanthera

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

It's not a good idea to plant alternanthera until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant alternanthera in Baker City 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 alternanthera and expect a good harvest is probably August. Any later than that and your alternanthera may not have a chance to really do well. You can get started a few weeks earlier by starting your alternanthera indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Baker City may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Baker City you get surprised by a frost after April 15 be ready to protect your alternanthera if you have a late frost.

USDA Zone Info for Baker City

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

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

Plants to Grow in Baker City

You may be interested in your other planting guides for Baker City.