One of the best tools that you have as gardeners to help us figure out 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 Zone 1b you can determine when it's possible to plant snapdragons by checking out the USDA zone info.

Planting Calendar for Snapdragons

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

Snapdragons are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant snapdragons in Zone 1b is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant snapdragons and expect a good harvest is probably July. If you wait any later than that and your snapdragons may not have a chance to fully mature. Starting your snapdragons indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on June 15 in Zone 1b. You can expect an average low temperature of -55°F in the coldest months of winter.

Since the USDA zone info for Zone 1b is an average the actual date of last frost is different every year. Half of the time in Zone 1b you get surprised by a frost after June 15 so be sure to be ready to protect your snapdragons in the event of a late frost.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)	June 15
Average Date of First Frost (fall)	July 15
Lowest Expected Low	-55°F
Highest Expected Low	-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in your other planting guides for Zone 1b.