When to Plant Gloriosa Lily in Windsor, CO

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.

The best time to plant gloriosa lily in Windsor should be estimated by looking at the USDA zone info.


Planting Calendar for Gloriosa Lily

Frost tolerance for gloriosa lily: Not tolerant of frost.
When to plant: After the last frost has passed.

Gloriosa Lily require warm weather which tells us that you really should wait until it warms up after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant gloriosa lily
Possibly ok, but a risky time to plant gloriosa lily
Probably not a good time to plant gloriosa lily

The earliest that you can plant gloriosa lily in Windsor is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant gloriosa lily and expect a good harvest is probably August. If you wait any later than that and your gloriosa lily may not have a chance to fully mature. If you are starting your gloriosa lily indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Windsor may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Windsor there is a last frost after April 15 be ready to cover your gloriosa lily in the event of a surprise late frost.

USDA Zone Info for Windsor

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 Windsor

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