One of the first steps you take when you are figuring out your gardening schedule is find your 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 will be able to determine when to plant foxglove by referring to the USDA zone info for San Leandro.

Planting Calendar for Foxglove

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

Since foxglove are moderately cold tolerant you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant foxglove in San Leandro 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 foxglove and expect a good harvest is probably October. You probably don't want to wait any later than that or else your foxglove may not have a chance to really do well. You can get started a little bit earlier by starting your foxglove indoors.

Last Frost Date

The average date of last frost is January 31 in San Leandro. You can expect an average low temperature of 30°F in the coldest months of winter.

Keep in mind that USDA zone info for San Leandro is not always accurate and the actual date of last frost will vary from year to year. Half of the time in San Leandro you get a frost after January 31 so make sure that you are prepared to protect your foxglove in the event of a surprise late frost.

USDA Zone Info for San Leandro

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 San Leandro

You may be interested in your other planting guides for San Leandro.