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

You should be able to determine when it's the best time to plant torch lilys by referring to the USDA zone info for North Royalton.

Planting Calendar for Torch Lilys

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

Since torch lilys do well in cold you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant torch lilys in North Royalton 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. If you wait any later than that and your torch lilys may not have a chance to fully mature. Starting your torch lilys indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in North Royalton. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for North Royalton 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 North Royalton you get surprised by a frost after April 15 so make sure that you are prepared to cover your torch lilys if you have a surprise late frost.

USDA Zone Info for North Royalton

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 North Royalton

You may be interested in your other planting guides for North Royalton.