One of the first steps you take when you are estimating 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.

You can estimate when it's the best time to plant painted tongues in Swarthmore by using the USDA zone info.

Planting Calendar for Painted Tongues

Frost tolerance for painted tongues:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You can not plant painted tongues until after all chance of frost has passed because they require warm weather.

The earliest that you can plant painted tongues in Swarthmore is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant painted tongues and expect a good harvest is probably August. Any later than that and your painted tongues may not have a chance to grow to maturity. If you are starting your painted tongues indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Swarthmore. It might get as low as 0°F during the coldest months of winter.

It's important to remember that USDA zone info for Swarthmore is not always accurate and the actual date of last frost is different every year. Half of the time in Swarthmore it frosts late in the year after April 15 so make sure that you are ready to cover your painted tongues in the event of one of those late frosts.

USDA Zone Info for Swarthmore

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Swarthmore

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