When to Plant Torch Lilys in Frederick, CO

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of figuring out when to plant torch lilys is to check out the USDA zone info for Frederick.


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 much earlier in the year than more sensitive plants.

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 Frederick 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. You probably don't want to wait any later than that or else your torch lilys may not have a chance to fully mature. If you are starting your torch lilys indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Frederick the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Frederick and it will vary from year to year. Since half of the time in Frederick it frosts late in the year after April 15 be ready to cover your torch lilys if you have one of those late frosts.

USDA Zone Info for Frederick

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 Frederick

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