One of the best tools that you have as gardeners to help us determine 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 earliest that you can plant sweet woodruff in Covina can be estimated by using 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.

You can plant sweet woodruff a little earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant sweet woodruff in Covina 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. You probably don't want to wait any later than that or else your sweet woodruff may not have a chance to really do well. You can get started a few weeks earlier by starting your sweet woodruff indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Covina. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Covina is an average the actual date of last frost is different every year. Half of the time in Covina last frost occurs after January 31 so always be ready to protect your sweet woodruff in the event of a surprise late frost.

USDA Zone Info for Covina

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Covina

You may be interested in your other planting guides for Covina.