One of the best tools that you have as gardeners to help us determine 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.

By looking at the USDA zone info for Weirton it's possible to estimate when it's a good idea to plant snapdragons.

Planting Calendar for Snapdragons

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

Snapdragons do ok in some cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant snapdragons in Weirton 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 really do well. If you are starting your snapdragons indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Weirton. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Weirton is just an average the actual date of last frost will vary from year to year. Half of the time in Weirton you get a frost after April 15 so make sure that you are prepared to cover your snapdragons in the event of one of those late frosts.

USDA Zone Info for Weirton

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Weirton

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