Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant rudbeckia in San Leandro can be determined by using the USDA zone info.

Planting Calendar for Rudbeckia

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

Rudbeckia tend to make it in a little bit of cold which means that you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant rudbeckia 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 rudbeckia and expect a good harvest is probably October. Any later than that and your rudbeckia may not have a chance to really do well. You can get started a few weeks earlier by starting your rudbeckia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on 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 the actual date of last frost is an average because it is based on the USDA zone info for San Leandro and it is different every year. Half of the time in San Leandro there is a last frost after January 31 so always be ready to protect your rudbeckia in the event of a 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.