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.

The first chance to plant gloriosa lily in Williams should be figured out 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 all chance of frost has passed.

It's a bad 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 Williams is March. However, you really should wait until April 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. You probably don't want to wait any later than that or else your gloriosa lily may not have a chance to really do well. Starting your gloriosa lily indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on February 15 in Williams. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Williams is not always accurate the actual date of last frost is different every year. Half of the time in Williams last frost occurs after February 15 so just be sure to be ready to cover your gloriosa lily if you have a surprise late frost.

USDA Zone Info for Williams

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Williams

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