One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of making a decision about when you can plant snapdragons is to consult the USDA zone info for Griffith.

Planting Calendar for Snapdragons

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

Snapdragons tend to make it in a little bit of cold which means that you can plant them a bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant snapdragons in Griffith 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. If you wait 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 Griffith the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that USDA zone info for Griffith is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Griffith last frost occurs after April 15 be ready to cover your snapdragons in the event of one of those late frosts.

USDA Zone Info for Griffith

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 Griffith

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