Before planting it is a good idea to find your USDA Zone info to figure out 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 USDA zone info for San Leandro can be looked at to figure out when it's the best time to plant achimenes.

Planting Calendar for Achimenes

Frost tolerance for achimenes:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You should not plant achimenes until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant achimenes in San Leandro is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant achimenes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your achimenes may not have a chance to fully mature. Starting your achimenes indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for San Leandro may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in San Leandro you get a frost after January 31 be ready to cover your achimenes 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.