Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In San Bruno you can figure out when it's possible to plant gloriosa lily by using 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.

Gloriosa Lily are not cold tolerant which tells us that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant gloriosa lily in San Bruno 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 fully mature. Starting your gloriosa lily indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in San Bruno. You should expect an average low temperature of 30°F in the coldest months of winter.

Remember that USDA zone info for San Bruno is an average and the actual date of last frost will vary from year to year. Since half of the time in San Bruno you get a frost after January 31 be ready to protect your gloriosa lily in the event of one of those late frosts.

USDA Zone Info for San Bruno

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 San Bruno

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