One of the first steps you take when you are determining 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 will be able to determine when it's possible to plant torch lilys by checking out the USDA zone info for Swarthmore.

Planting Calendar for Torch Lilys

Frost tolerance for torch lilys:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant torch lilys a lot earlier in the year because they are very cold tolerant.

The earliest that you can plant torch lilys in Swarthmore 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 torch lilys and expect a good harvest is probably September. Any later than that and your torch lilys may not have a chance to fully mature. You can get started a little bit earlier by starting your torch lilys indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Swarthmore. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Swarthmore may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Swarthmore last frost occurs after April 15 so just be sure to be ready to protect your torch lilys 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.