When to Plant Torch Lilys in Zone 1b

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when to plant torch lilys in Zone 1b by referring to the USDA zone info.


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 are very cold tolerant you can plant them quite a bit earlier in the year than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant torch lilys
Possibly ok, but a risky time to plant torch lilys
Probably not a good time to plant torch lilys

The earliest that you can plant torch lilys in Zone 1b is May. However, you really should wait until June 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 July. 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 June 15 in Zone 1b. It might get as low as -55°F during the coldest months of winter.

Since the USDA zone info for Zone 1b is just an average the actual date of last frost will vary from year to year. Half of the time in Zone 1b you get surprised by a frost after June 15 so always be ready to protect your torch lilys if you have a late frost.

USDA Zone Info for Zone 1b

Here is the info for USDA Zone 1b.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-55°F
Highest Expected Low-50°F

This means that on a really cold year, the coldest it will get is -55°F. On most years you should be prepared to experience lows near -50°F.

Plants to Grow in Zone 1b

You may be interested in your other planting guides for Zone 1b.