When to Plant Torch Lilys in Lone Tree, CO

The USDA Zone info is a great tool for gardeners to help us figure out 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 it's possible to plant torch lilys in Lone Tree by checking out 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.

You can plant torch lilys a lot earlier in the year because they do well in 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 Lone Tree 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. Starting your torch lilys indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Lone Tree and it is different every year. Half of the time in Lone Tree you get surprised by a frost after April 15 so just be sure to be ready to protect your torch lilys if you have a late frost.

USDA Zone Info for Lone Tree

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 Lone Tree

You may be interested in your other planting guides for Lone Tree.