One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when it's possible to plant snow peas is to look at the USDA zone info for Union.

Planting Calendar for Snow peas

Frost tolerance for snow peas:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Since snow peas are very cold tolerant you can plant them quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant snow peas in Union 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 snow peas and expect a good harvest is probably September. If you wait any later than that and your snow peas may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your snow peas indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Union. It might get as low as -10°F during the coldest months of winter.

Keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Union and it is different every year. Half of the time in Union it frosts late in the year after April 15 so make sure that you are prepared to protect your snow peas if you have one of those late frosts.

USDA Zone Info for Union

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Union

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