One of the best tools that you have as gardeners to help us figure out 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 determining when it's possible to plant chives is to look at the USDA zone info for Souderton.

Planting Calendar for Chives

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

You can plant chives a lot earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant chives in Souderton 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 chives and expect a good harvest is probably September. If you wait any later than that and your chives may not have a chance to grow to maturity. If you are starting your chives indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Souderton the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that USDA zone info for Souderton may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Souderton it frosts late in the year after April 15 so be sure to be ready to protect your chives if you have one of those late frosts.

USDA Zone Info for Souderton

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 Souderton

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