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

The best time to plant chives in Redwood City should be figured out by using the USDA zone info.

Planting Calendar for Chives

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

Chives do ok in a bit of cold which means that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant chives in Redwood City 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 chives and expect a good harvest is probably October. If you wait any later than that and your chives may not have a chance to grow to maturity. Starting your chives indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Redwood City may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Redwood City there is a last frost after February 15 be ready to cover your chives if you have a late frost.

USDA Zone Info for Redwood City

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 Redwood City

You may be interested in your other planting guides for Redwood City.