One of the best tools that you have as gardeners to help us figure out 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.

By using the USDA zone info for Los Gatos it's a good idea to estimate when you can plant hollyhocks.

Planting Calendar for Hollyhocks

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

Hollyhocks tend to make it in mild cold which tells us that you can plant them a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant hollyhocks in Los Gatos 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 hollyhocks and expect a good harvest is probably October. If you wait any later than that and your hollyhocks may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your hollyhocks indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Los Gatos. It might get as low as 25°F during the coldest months of winter.

It's important to remember that USDA zone info for Los Gatos is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Los Gatos last frost occurs after February 15 so make sure that you are ready to cover your hollyhocks if you have a late frost.

USDA Zone Info for Los Gatos

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 Los Gatos

You may be interested in your other planting guides for Los Gatos.