Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's possible to plant snapdragons in Northfield by using 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.

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

The earliest that you can plant snapdragons in Northfield 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 snapdragons and expect a good harvest is probably August. If you wait any later than that and your snapdragons may not have a chance to fully mature. You can get started a few weeks earlier by starting your snapdragons indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Northfield. It might get as low as -25°F during the coldest months of winter.

Remember that USDA zone info for Northfield may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Northfield you get surprised by a frost after May 15 so make sure that you are prepared to protect your snapdragons in the event of a surprise late frost.

USDA Zone Info for Northfield

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Northfield

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