The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when you can plant snapdragons is to check out the USDA zone info for Posen.

Planting Calendar for Snapdragons

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

You can plant snapdragons just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant snapdragons in Posen 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 snapdragons and expect a good harvest is probably September. Any later than that and your snapdragons may not have a chance to really do well. Starting your snapdragons indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Posen. You should expect an average low temperature of -10°F in the coldest months of winter.

It's important to remember that USDA zone info for Posen is an average and the actual date of last frost will vary from year to year. Since half of the time in Posen it frosts late in the year after April 15 be ready to cover your snapdragons in the event of a late frost.

USDA Zone Info for Posen

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 Posen

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