One of the first steps you take when you are making a decision about 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.

In Lewiston you can determine when you can plant garden orache by checking out the USDA zone info.

Planting Calendar for Garden Orache

Frost tolerance for garden orache:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Garden Orache do well in moderate cold which means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant garden orache in Lewiston is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant garden orache and expect a good harvest is probably September. Any later than that and your garden orache may not have a chance to really do well. You can get started a few weeks earlier by starting your garden orache indoors.

Last Frost Date

On average the last frost is on April 15 in Lewiston. You can expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Lewiston is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Lewiston last frost occurs after April 15 be ready to protect your garden orache in the event of one of those late frosts.

USDA Zone Info for Lewiston

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 Lewiston

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