The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant snapdragons in Palos Heights can be estimated by looking at 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 do well in moderate cold which means that you can get them planted earlier than other frost tender plants.

The earliest that you can plant snapdragons in Palos Heights 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

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

Keep in mind that USDA zone info for Palos Heights is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Palos Heights you get surprised by a frost after April 15 so make sure that you are prepared to protect your snapdragons in the event of a surprise late frost.

USDA Zone Info for Palos Heights

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Palos Heights

You may be interested in your other planting guides for Palos Heights.