The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 it's the best time to plant gloriosa lily is to consult the USDA zone info for Imperial.

Planting Calendar for Gloriosa Lily

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

It's probably not a good idea to plant gloriosa lily until after the last frost because they are not cold tolerant.

The earliest that you can plant gloriosa lily in Imperial 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 gloriosa lily and expect a good harvest is probably September. If you wait any later than that and your gloriosa lily may not have a chance to grow to maturity. If you are starting your gloriosa lily 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 January 31 in Imperial. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Imperial is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Imperial you get a frost after January 31 so make sure that you are prepared to cover your gloriosa lily if you have a late frost.

USDA Zone Info for Imperial

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Imperial

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