One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when you can plant snapdragons is to consult the USDA zone info for Hiawatha.

Planting Calendar for Snapdragons

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

Since snapdragons are moderately cold tolerant you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant snapdragons in Hiawatha 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 grow to maturity. Starting your snapdragons indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Hiawatha the average date of last frost happens on April 15. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Hiawatha may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Hiawatha last frost occurs after April 15 be ready to cover your snapdragons if you have a late frost.

USDA Zone Info for Hiawatha

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Hiawatha

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