One of the first steps you take when you are determining 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 can estimate when you can plant achimenes in Monterey Park by checking out the USDA zone info.

Planting Calendar for Achimenes

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

You really shouldn't 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 Monterey Park 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. If you wait any later than that and your achimenes may not have a chance to really do well. If you are starting your achimenes indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Monterey Park. It might get as low as 30°F during the coldest months of winter.

It's important to remember that USDA zone info for Monterey Park is just an average and the actual date of last frost is different every year. Half of the time in Monterey Park there is a last frost after January 31 so make sure that you are prepared to protect your achimenes if you have a late frost.

USDA Zone Info for Monterey Park

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 Monterey Park

You may be interested in your other planting guides for Monterey Park.