One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's a good idea to plant gloriosa lily is to check out the USDA zone info for San Antonio.

Planting Calendar for Gloriosa Lily

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

Since gloriosa lily are not cold tolerant you must wait until after the last frost before you can plant them.

The earliest that you can plant gloriosa lily in San Antonio 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 really do well. You can get started a few weeks earlier by starting your gloriosa lily indoors.

Last Frost Date

In San Antonio the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for San Antonio is an average the actual date of last frost is different every year. Half of the time in San Antonio you get a frost after March 15 so always be ready to cover your gloriosa lily if you have a surprise late frost.

USDA Zone Info for San Antonio

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in San Antonio

You may be interested in your other planting guides for San Antonio.