When to Plant Torch Lilys in Golden, CO

One of the first steps you take when you are making a decision about 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.

By referring to the USDA zone info for Golden you should be able to determine when to plant torch lilys.


Planting Calendar for Torch Lilys

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

Torch Lilys can survive in pretty solid cold which means that you can plant them quite a bit earlier in the year than other frost tender 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 Golden 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 grow to maturity. 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

The average date of last frost is April 15 in Golden. You should expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Golden is an average and the actual date of last frost changes from year to year. Since half of the time in Golden you get a frost after April 15 be ready to cover your torch lilys in the event of a late frost.

USDA Zone Info for Golden

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 Golden

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