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

You can estimate when it's a good idea to plant sweet woodruff in Redwood City by looking at the USDA zone info.

Planting Calendar for Sweet Woodruff

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

Sweet Woodruff tend to make it in mild cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant sweet woodruff 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 sweet woodruff and expect a good harvest is probably October. If you wait any later than that and your sweet woodruff may not have a chance to fully mature. You can get started a little bit earlier by starting your sweet woodruff indoors.

Last Frost Date

In Redwood City the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Redwood City is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Redwood City you get a frost after February 15 so make sure that you are ready to cover your sweet woodruff if you have a surprise 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.