One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Pullman you can determine when it's possible to plant stocks by reviewing the USDA zone info.

Planting Calendar for Stocks

Frost tolerance for stocks:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Stocks do ok in moderate cold which means that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant stocks in Pullman is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant stocks and expect a good harvest is probably August. Any later than that and your stocks may not have a chance to grow to maturity. You can get started a little bit earlier by starting your stocks indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Pullman is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Pullman you get a frost after April 15 be ready to protect your stocks if you have a surprise 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.