One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant gloriosa lily in Presidio can be figured out by referring to 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.

Since gloriosa lily are not cold tolerant it is important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant gloriosa lily in Presidio 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. Any later than that and your gloriosa lily may not have a chance to grow to maturity. Starting your gloriosa lily indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Presidio. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Presidio is just an average the actual date of last frost will vary from year to year. Half of the time in Presidio you get a frost after February 15 so be sure to be ready to cover your gloriosa lily if you have a late frost.

USDA Zone Info for Presidio

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Presidio

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