One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when it's the best time to plant alyssum is to consult the USDA zone info for Los Gatos.

Planting Calendar for Alyssum

Frost tolerance for alyssum:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant alyssum much earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant alyssum 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 alyssum and expect a good harvest is probably October. Any later than that and your alyssum may not have a chance to grow to maturity. Starting your alyssum indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Los Gatos. In the coldest months of winter you should expect an average low temperature of 25°F.

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. Since half of the time in Los Gatos last frost occurs after February 15 be ready to protect your alyssum 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.