Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 daylily in San Jose should be estimated by checking out the USDA zone info.

Planting Calendar for Daylily

Frost tolerance for daylily:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Daylily are moderately cold tolerant which tells us that you can get them planted earlier than other frost tender plants.

The earliest that you can plant daylily in San Jose is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant daylily and expect a good harvest is probably October. Any later than that and your daylily may not have a chance to grow to maturity. You can get started a little bit earlier by starting your daylily indoors.

Last Frost Date

In San Jose the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for San Jose and it changes from year to year. Since half of the time in San Jose it frosts late in the year after February 15 be ready to cover your daylily if you have one of those late frosts.

USDA Zone Info for San Jose

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 San Jose

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